Home / 7,939.20-10,957.88-4,582.61

Finding the Fourth Proportional to 7,939.20, 10,957.88 and 4,582.61

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Solution

The fourth proportional to 7,939.20, 10,957.88 and 4,582.61 is: 6,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.20 : 10,957.88 = 4,582.61 : x
  2. Step 2: Convert to fraction form
    7,939.20/10,957.88 = 4,582.61/x
  3. Step 3: Cross multiply
    7,939.20x = 10,957.88 × 4,582.61
  4. Step 4: Simplify right side
    7,939.20x = 50,215,612.76
  5. Step 5: Solve for x
    x = 50,215,612.76/7,939.20
  6. Step 6: Final answer
    x = 6,325.02

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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.