Home / 5,312.13-7,326.10-3,717.97

Finding the Fourth Proportional to 5,312.13, 7,326.10 and 3,717.97

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Solution

The fourth proportional to 5,312.13, 7,326.10 and 3,717.97 is: 5,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.13 : 7,326.10 = 3,717.97 : x
  2. Step 2: Convert to fraction form
    5,312.13/7,326.10 = 3,717.97/x
  3. Step 3: Cross multiply
    5,312.13x = 7,326.10 × 3,717.97
  4. Step 4: Simplify right side
    5,312.13x = 27,238,220.02
  5. Step 5: Solve for x
    x = 27,238,220.02/5,312.13
  6. Step 6: Final answer
    x = 5,127.55

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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.