Home / 5,423.09-8,134.63-1,526.99

Finding the Fourth Proportional to 5,423.09, 8,134.63 and 1,526.99

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Solution

The fourth proportional to 5,423.09, 8,134.63 and 1,526.99 is: 2,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.09 : 8,134.63 = 1,526.99 : x
  2. Step 2: Convert to fraction form
    5,423.09/8,134.63 = 1,526.99/x
  3. Step 3: Cross multiply
    5,423.09x = 8,134.63 × 1,526.99
  4. Step 4: Simplify right side
    5,423.09x = 12,421,454.17
  5. Step 5: Solve for x
    x = 12,421,454.17/5,423.09
  6. Step 6: Final answer
    x = 2,290.48

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Similar ratio
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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.