Home / 5,920.28-8,881.27-2,756.20

Finding the Fourth Proportional to 5,920.28, 8,881.27 and 2,756.20

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Solution

The fourth proportional to 5,920.28, 8,881.27 and 2,756.20 is: 4,134.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.28 : 8,881.27 = 2,756.20 : x
  2. Step 2: Convert to fraction form
    5,920.28/8,881.27 = 2,756.20/x
  3. Step 3: Cross multiply
    5,920.28x = 8,881.27 × 2,756.20
  4. Step 4: Simplify right side
    5,920.28x = 24,478,527.28
  5. Step 5: Solve for x
    x = 24,478,527.28/5,920.28
  6. Step 6: Final answer
    x = 4,134.69

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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.