Home / 8,557.38-11,809.06-4,780.60

Finding the Fourth Proportional to 8,557.38, 11,809.06 and 4,780.60

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Solution

The fourth proportional to 8,557.38, 11,809.06 and 4,780.60 is: 6,597.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.38 : 11,809.06 = 4,780.60 : x
  2. Step 2: Convert to fraction form
    8,557.38/11,809.06 = 4,780.60/x
  3. Step 3: Cross multiply
    8,557.38x = 11,809.06 × 4,780.60
  4. Step 4: Simplify right side
    8,557.38x = 56,454,426.15
  5. Step 5: Solve for x
    x = 56,454,426.15/8,557.38
  6. Step 6: Final answer
    x = 6,597.16

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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.