Home / 8,947.32-12,349.68-5,588.08

Finding the Fourth Proportional to 8,947.32, 12,349.68 and 5,588.08

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Solution

The fourth proportional to 8,947.32, 12,349.68 and 5,588.08 is: 7,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.32 : 12,349.68 = 5,588.08 : x
  2. Step 2: Convert to fraction form
    8,947.32/12,349.68 = 5,588.08/x
  3. Step 3: Cross multiply
    8,947.32x = 12,349.68 × 5,588.08
  4. Step 4: Simplify right side
    8,947.32x = 69,010,999.81
  5. Step 5: Solve for x
    x = 69,010,999.81/8,947.32
  6. Step 6: Final answer
    x = 7,713.04

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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.