Home / 7,924.20-10,934.28-4,387.62

Finding the Fourth Proportional to 7,924.20, 10,934.28 and 4,387.62

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Solution

The fourth proportional to 7,924.20, 10,934.28 and 4,387.62 is: 6,054.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.20 : 10,934.28 = 4,387.62 : x
  2. Step 2: Convert to fraction form
    7,924.20/10,934.28 = 4,387.62/x
  3. Step 3: Cross multiply
    7,924.20x = 10,934.28 × 4,387.62
  4. Step 4: Simplify right side
    7,924.20x = 47,975,465.61
  5. Step 5: Solve for x
    x = 47,975,465.61/7,924.20
  6. Step 6: Final answer
    x = 6,054.30

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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.