Home / 5,423.59-8,135.38-1,527.49

Finding the Fourth Proportional to 5,423.59, 8,135.38 and 1,527.49

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Solution

The fourth proportional to 5,423.59, 8,135.38 and 1,527.49 is: 2,291.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.59 : 8,135.38 = 1,527.49 : x
  2. Step 2: Convert to fraction form
    5,423.59/8,135.38 = 1,527.49/x
  3. Step 3: Cross multiply
    5,423.59x = 8,135.38 × 1,527.49
  4. Step 4: Simplify right side
    5,423.59x = 12,426,670.92
  5. Step 5: Solve for x
    x = 12,426,670.92/5,423.59
  6. Step 6: Final answer
    x = 2,291.23

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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.