Home / 8,289.16-12,434.65-2,445.77

Finding the Fourth Proportional to 8,289.16, 12,434.65 and 2,445.77

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Solution

The fourth proportional to 8,289.16, 12,434.65 and 2,445.77 is: 3,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.16 : 12,434.65 = 2,445.77 : x
  2. Step 2: Convert to fraction form
    8,289.16/12,434.65 = 2,445.77/x
  3. Step 3: Cross multiply
    8,289.16x = 12,434.65 × 2,445.77
  4. Step 4: Simplify right side
    8,289.16x = 30,412,318.90
  5. Step 5: Solve for x
    x = 30,412,318.90/8,289.16
  6. Step 6: Final answer
    x = 3,668.93

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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.