Home / 5,540.60-8,312.52-1,645.10

Finding the Fourth Proportional to 5,540.60, 8,312.52 and 1,645.10

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Solution

The fourth proportional to 5,540.60, 8,312.52 and 1,645.10 is: 2,468.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.60 : 8,312.52 = 1,645.10 : x
  2. Step 2: Convert to fraction form
    5,540.60/8,312.52 = 1,645.10/x
  3. Step 3: Cross multiply
    5,540.60x = 8,312.52 × 1,645.10
  4. Step 4: Simplify right side
    5,540.60x = 13,674,926.65
  5. Step 5: Solve for x
    x = 13,674,926.65/5,540.60
  6. Step 6: Final answer
    x = 2,468.13

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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.