Home / 8,381.04-11,551.32-6,281.52

Finding the Fourth Proportional to 8,381.04, 11,551.32 and 6,281.52

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Solution

The fourth proportional to 8,381.04, 11,551.32 and 6,281.52 is: 8,657.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381.04 : 11,551.32 = 6,281.52 : x
  2. Step 2: Convert to fraction form
    8,381.04/11,551.32 = 6,281.52/x
  3. Step 3: Cross multiply
    8,381.04x = 11,551.32 × 6,281.52
  4. Step 4: Simplify right side
    8,381.04x = 72,559,847.61
  5. Step 5: Solve for x
    x = 72,559,847.61/8,381.04
  6. Step 6: Final answer
    x = 8,657.62

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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.