Home / 9,712.63-13,402.90-5,732.29

Finding the Fourth Proportional to 9,712.63, 13,402.90 and 5,732.29

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Solution

The fourth proportional to 9,712.63, 13,402.90 and 5,732.29 is: 7,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712.63 : 13,402.90 = 5,732.29 : x
  2. Step 2: Convert to fraction form
    9,712.63/13,402.90 = 5,732.29/x
  3. Step 3: Cross multiply
    9,712.63x = 13,402.90 × 5,732.29
  4. Step 4: Simplify right side
    9,712.63x = 76,829,309.64
  5. Step 5: Solve for x
    x = 76,829,309.64/9,712.63
  6. Step 6: Final answer
    x = 7,910.25

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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.