Home / 9,312.41-12,847.47-5,331.38

Finding the Fourth Proportional to 9,312.41, 12,847.47 and 5,331.38

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Solution

The fourth proportional to 9,312.41, 12,847.47 and 5,331.38 is: 7,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.41 : 12,847.47 = 5,331.38 : x
  2. Step 2: Convert to fraction form
    9,312.41/12,847.47 = 5,331.38/x
  3. Step 3: Cross multiply
    9,312.41x = 12,847.47 × 5,331.38
  4. Step 4: Simplify right side
    9,312.41x = 68,494,744.61
  5. Step 5: Solve for x
    x = 68,494,744.61/9,312.41
  6. Step 6: Final answer
    x = 7,355.21

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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.