Home / 9,727.77-13,425.51-6,371.40

Finding the Fourth Proportional to 9,727.77, 13,425.51 and 6,371.40

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Solution

The fourth proportional to 9,727.77, 13,425.51 and 6,371.40 is: 8,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,727.77 : 13,425.51 = 6,371.40 : x
  2. Step 2: Convert to fraction form
    9,727.77/13,425.51 = 6,371.40/x
  3. Step 3: Cross multiply
    9,727.77x = 13,425.51 × 6,371.40
  4. Step 4: Simplify right side
    9,727.77x = 85,539,294.41
  5. Step 5: Solve for x
    x = 85,539,294.41/9,727.77
  6. Step 6: Final answer
    x = 8,793.31

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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.