Home / 8,377.38-12,567.45-2,831.07

Finding the Fourth Proportional to 8,377.38, 12,567.45 and 2,831.07

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Solution

The fourth proportional to 8,377.38, 12,567.45 and 2,831.07 is: 4,247.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.38 : 12,567.45 = 2,831.07 : x
  2. Step 2: Convert to fraction form
    8,377.38/12,567.45 = 2,831.07/x
  3. Step 3: Cross multiply
    8,377.38x = 12,567.45 × 2,831.07
  4. Step 4: Simplify right side
    8,377.38x = 35,579,330.67
  5. Step 5: Solve for x
    x = 35,579,330.67/8,377.38
  6. Step 6: Final answer
    x = 4,247.07

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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.