Home / 7,071.04-10,605.36-1,876.48

Finding the Fourth Proportional to 7,071.04, 10,605.36 and 1,876.48

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Solution

The fourth proportional to 7,071.04, 10,605.36 and 1,876.48 is: 2,814.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.04 : 10,605.36 = 1,876.48 : x
  2. Step 2: Convert to fraction form
    7,071.04/10,605.36 = 1,876.48/x
  3. Step 3: Cross multiply
    7,071.04x = 10,605.36 × 1,876.48
  4. Step 4: Simplify right side
    7,071.04x = 19,900,745.93
  5. Step 5: Solve for x
    x = 19,900,745.93/7,071.04
  6. Step 6: Final answer
    x = 2,814.40

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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.