Home / 8,934.47-13,380.36-4,975.89

Finding the Fourth Proportional to 8,934.47, 13,380.36 and 4,975.89

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Solution

The fourth proportional to 8,934.47, 13,380.36 and 4,975.89 is: 7,451.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,934.47 : 13,380.36 = 4,975.89 : x
  2. Step 2: Convert to fraction form
    8,934.47/13,380.36 = 4,975.89/x
  3. Step 3: Cross multiply
    8,934.47x = 13,380.36 × 4,975.89
  4. Step 4: Simplify right side
    8,934.47x = 66,579,199.52
  5. Step 5: Solve for x
    x = 66,579,199.52/8,934.47
  6. Step 6: Final answer
    x = 7,451.95

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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.