Home / 8,729.84-13,098.60-6,392.08

Finding the Fourth Proportional to 8,729.84, 13,098.60 and 6,392.08

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Solution

The fourth proportional to 8,729.84, 13,098.60 and 6,392.08 is: 9,590.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,729.84 : 13,098.60 = 6,392.08 : x
  2. Step 2: Convert to fraction form
    8,729.84/13,098.60 = 6,392.08/x
  3. Step 3: Cross multiply
    8,729.84x = 13,098.60 × 6,392.08
  4. Step 4: Simplify right side
    8,729.84x = 83,727,299.09
  5. Step 5: Solve for x
    x = 83,727,299.09/8,729.84
  6. Step 6: Final answer
    x = 9,590.93

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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.