Home / 7,188.28-9,920.34-4,044.76

Finding the Fourth Proportional to 7,188.28, 9,920.34 and 4,044.76

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Solution

The fourth proportional to 7,188.28, 9,920.34 and 4,044.76 is: 5,582.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.28 : 9,920.34 = 4,044.76 : x
  2. Step 2: Convert to fraction form
    7,188.28/9,920.34 = 4,044.76/x
  3. Step 3: Cross multiply
    7,188.28x = 9,920.34 × 4,044.76
  4. Step 4: Simplify right side
    7,188.28x = 40,125,394.42
  5. Step 5: Solve for x
    x = 40,125,394.42/7,188.28
  6. Step 6: Final answer
    x = 5,582.06

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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.