Home / 5,423.46-8,135.19-1,527.36

Finding the Fourth Proportional to 5,423.46, 8,135.19 and 1,527.36

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Solution

The fourth proportional to 5,423.46, 8,135.19 and 1,527.36 is: 2,291.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.46 : 8,135.19 = 1,527.36 : x
  2. Step 2: Convert to fraction form
    5,423.46/8,135.19 = 1,527.36/x
  3. Step 3: Cross multiply
    5,423.46x = 8,135.19 × 1,527.36
  4. Step 4: Simplify right side
    5,423.46x = 12,425,363.80
  5. Step 5: Solve for x
    x = 12,425,363.80/5,423.46
  6. Step 6: Final answer
    x = 2,291.04

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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.