Home / 8,289.91-12,434.45-3,095.38

Finding the Fourth Proportional to 8,289.91, 12,434.45 and 3,095.38

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Solution

The fourth proportional to 8,289.91, 12,434.45 and 3,095.38 is: 4,642.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.91 : 12,434.45 = 3,095.38 : x
  2. Step 2: Convert to fraction form
    8,289.91/12,434.45 = 3,095.38/x
  3. Step 3: Cross multiply
    8,289.91x = 12,434.45 × 3,095.38
  4. Step 4: Simplify right side
    8,289.91x = 38,489,285.67
  5. Step 5: Solve for x
    x = 38,489,285.67/8,289.91
  6. Step 6: Final answer
    x = 4,642.91

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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.