Home / 7,451.76-11,171.88-3,070.32

Finding the Fourth Proportional to 7,451.76, 11,171.88 and 3,070.32

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Solution

The fourth proportional to 7,451.76, 11,171.88 and 3,070.32 is: 4,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.76 : 11,171.88 = 3,070.32 : x
  2. Step 2: Convert to fraction form
    7,451.76/11,171.88 = 3,070.32/x
  3. Step 3: Cross multiply
    7,451.76x = 11,171.88 × 3,070.32
  4. Step 4: Simplify right side
    7,451.76x = 34,301,246.60
  5. Step 5: Solve for x
    x = 34,301,246.60/7,451.76
  6. Step 6: Final answer
    x = 4,603.11

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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.