Home / 8,934.47-12,329.91-4,955.75

Finding the Fourth Proportional to 8,934.47, 12,329.91 and 4,955.75

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Solution

The fourth proportional to 8,934.47, 12,329.91 and 4,955.75 is: 6,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.47 : 12,329.91 = 4,955.75 : x
  2. Step 2: Convert to fraction form
    8,934.47/12,329.91 = 4,955.75/x
  3. Step 3: Cross multiply
    8,934.47x = 12,329.91 × 4,955.75
  4. Step 4: Simplify right side
    8,934.47x = 61,103,889.83
  5. Step 5: Solve for x
    x = 61,103,889.83/8,934.47
  6. Step 6: Final answer
    x = 6,839.12

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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.