Home / 8,390.16-12,584.01-4,881.84

Finding the Fourth Proportional to 8,390.16, 12,584.01 and 4,881.84

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Solution

The fourth proportional to 8,390.16, 12,584.01 and 4,881.84 is: 7,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.16 : 12,584.01 = 4,881.84 : x
  2. Step 2: Convert to fraction form
    8,390.16/12,584.01 = 4,881.84/x
  3. Step 3: Cross multiply
    8,390.16x = 12,584.01 × 4,881.84
  4. Step 4: Simplify right side
    8,390.16x = 61,433,123.38
  5. Step 5: Solve for x
    x = 61,433,123.38/8,390.16
  6. Step 6: Final answer
    x = 7,322.04

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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.