Home / 8,909.06-12,295.73-5,132.84

Finding the Fourth Proportional to 8,909.06, 12,295.73 and 5,132.84

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Solution

The fourth proportional to 8,909.06, 12,295.73 and 5,132.84 is: 7,084.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.06 : 12,295.73 = 5,132.84 : x
  2. Step 2: Convert to fraction form
    8,909.06/12,295.73 = 5,132.84/x
  3. Step 3: Cross multiply
    8,909.06x = 12,295.73 × 5,132.84
  4. Step 4: Simplify right side
    8,909.06x = 63,111,966.13
  5. Step 5: Solve for x
    x = 63,111,966.13/8,909.06
  6. Step 6: Final answer
    x = 7,084.02

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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.