Home / 5,626.16-8,440.32-1,729.88

Finding the Fourth Proportional to 5,626.16, 8,440.32 and 1,729.88

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Solution

The fourth proportional to 5,626.16, 8,440.32 and 1,729.88 is: 2,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.16 : 8,440.32 = 1,729.88 : x
  2. Step 2: Convert to fraction form
    5,626.16/8,440.32 = 1,729.88/x
  3. Step 3: Cross multiply
    5,626.16x = 8,440.32 × 1,729.88
  4. Step 4: Simplify right side
    5,626.16x = 14,600,740.76
  5. Step 5: Solve for x
    x = 14,600,740.76/5,626.16
  6. Step 6: Final answer
    x = 2,595.15

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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.