Home / 7,042.28-9,720.52-4,060.12

Finding the Fourth Proportional to 7,042.28, 9,720.52 and 4,060.12

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Solution

The fourth proportional to 7,042.28, 9,720.52 and 4,060.12 is: 5,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.28 : 9,720.52 = 4,060.12 : x
  2. Step 2: Convert to fraction form
    7,042.28/9,720.52 = 4,060.12/x
  3. Step 3: Cross multiply
    7,042.28x = 9,720.52 × 4,060.12
  4. Step 4: Simplify right side
    7,042.28x = 39,466,477.66
  5. Step 5: Solve for x
    x = 39,466,477.66/7,042.28
  6. Step 6: Final answer
    x = 5,604.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.