Home / 5,526.20-8,289.68-1,630.76

Finding the Fourth Proportional to 5,526.20, 8,289.68 and 1,630.76

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Solution

The fourth proportional to 5,526.20, 8,289.68 and 1,630.76 is: 2,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,526.20 : 8,289.68 = 1,630.76 : x
  2. Step 2: Convert to fraction form
    5,526.20/8,289.68 = 1,630.76/x
  3. Step 3: Cross multiply
    5,526.20x = 8,289.68 × 1,630.76
  4. Step 4: Simplify right side
    5,526.20x = 13,518,478.56
  5. Step 5: Solve for x
    x = 13,518,478.56/5,526.20
  6. Step 6: Final answer
    x = 2,446.25

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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.