Home / 5,626.71-8,442.09-3,540.15

Finding the Fourth Proportional to 5,626.71, 8,442.09 and 3,540.15

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Solution

The fourth proportional to 5,626.71, 8,442.09 and 3,540.15 is: 5,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.71 : 8,442.09 = 3,540.15 : x
  2. Step 2: Convert to fraction form
    5,626.71/8,442.09 = 3,540.15/x
  3. Step 3: Cross multiply
    5,626.71x = 8,442.09 × 3,540.15
  4. Step 4: Simplify right side
    5,626.71x = 29,886,264.91
  5. Step 5: Solve for x
    x = 29,886,264.91/5,626.71
  6. Step 6: Final answer
    x = 5,311.50

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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.