Home / 8,960.13-12,367.76-5,377.68

Finding the Fourth Proportional to 8,960.13, 12,367.76 and 5,377.68

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Solution

The fourth proportional to 8,960.13, 12,367.76 and 5,377.68 is: 7,422.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.13 : 12,367.76 = 5,377.68 : x
  2. Step 2: Convert to fraction form
    8,960.13/12,367.76 = 5,377.68/x
  3. Step 3: Cross multiply
    8,960.13x = 12,367.76 × 5,377.68
  4. Step 4: Simplify right side
    8,960.13x = 66,509,828.71
  5. Step 5: Solve for x
    x = 66,509,828.71/8,960.13
  6. Step 6: Final answer
    x = 7,422.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.