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Finding the Fourth Proportional to 9,263.70, 13,895.55 and 5,327.10

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Solution

The fourth proportional to 9,263.70, 13,895.55 and 5,327.10 is: 7,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,263.70 : 13,895.55 = 5,327.10 : x
  2. Step 2: Convert to fraction form
    9,263.70/13,895.55 = 5,327.10/x
  3. Step 3: Cross multiply
    9,263.70x = 13,895.55 × 5,327.10
  4. Step 4: Simplify right side
    9,263.70x = 74,022,984.41
  5. Step 5: Solve for x
    x = 74,022,984.41/9,263.70
  6. Step 6: Final answer
    x = 7,990.65

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.