Home / 7,070.30-10,605.44-4,147.01

Finding the Fourth Proportional to 7,070.30, 10,605.44 and 4,147.01

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Solution

The fourth proportional to 7,070.30, 10,605.44 and 4,147.01 is: 6,220.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.30 : 10,605.44 = 4,147.01 : x
  2. Step 2: Convert to fraction form
    7,070.30/10,605.44 = 4,147.01/x
  3. Step 3: Cross multiply
    7,070.30x = 10,605.44 × 4,147.01
  4. Step 4: Simplify right side
    7,070.30x = 43,980,791.97
  5. Step 5: Solve for x
    x = 43,980,791.97/7,070.30
  6. Step 6: Final answer
    x = 6,220.50

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Half scale
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Double scale
Find fourth proportional to 7,071.30, 10,606.93 and 4,148.01
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.