Home / 5,418.01-8,126.10-1,521.50

Finding the Fourth Proportional to 5,418.01, 8,126.10 and 1,521.50

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Solution

The fourth proportional to 5,418.01, 8,126.10 and 1,521.50 is: 2,281.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.01 : 8,126.10 = 1,521.50 : x
  2. Step 2: Convert to fraction form
    5,418.01/8,126.10 = 1,521.50/x
  3. Step 3: Cross multiply
    5,418.01x = 8,126.10 × 1,521.50
  4. Step 4: Simplify right side
    5,418.01x = 12,363,853.54
  5. Step 5: Solve for x
    x = 12,363,853.54/5,418.01
  6. Step 6: Final answer
    x = 2,281.99

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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.