Home / 7,397.61-10,190.85-6,331.98

Finding the Fourth Proportional to 7,397.61, 10,190.85 and 6,331.98

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Solution

The fourth proportional to 7,397.61, 10,190.85 and 6,331.98 is: 8,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.61 : 10,190.85 = 6,331.98 : x
  2. Step 2: Convert to fraction form
    7,397.61/10,190.85 = 6,331.98/x
  3. Step 3: Cross multiply
    7,397.61x = 10,190.85 × 6,331.98
  4. Step 4: Simplify right side
    7,397.61x = 64,528,258.38
  5. Step 5: Solve for x
    x = 64,528,258.38/7,397.61
  6. Step 6: Final answer
    x = 8,722.85

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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.