Home / 8,526.73-12,781.88-4,368.69

Finding the Fourth Proportional to 8,526.73, 12,781.88 and 4,368.69

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Solution

The fourth proportional to 8,526.73, 12,781.88 and 4,368.69 is: 6,548.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.73 : 12,781.88 = 4,368.69 : x
  2. Step 2: Convert to fraction form
    8,526.73/12,781.88 = 4,368.69/x
  3. Step 3: Cross multiply
    8,526.73x = 12,781.88 × 4,368.69
  4. Step 4: Simplify right side
    8,526.73x = 55,840,071.34
  5. Step 5: Solve for x
    x = 55,840,071.34/8,526.73
  6. Step 6: Final answer
    x = 6,548.83

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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.