Home / 5,108.56-7,657.50-3,465.20

Finding the Fourth Proportional to 5,108.56, 7,657.50 and 3,465.20

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Solution

The fourth proportional to 5,108.56, 7,657.50 and 3,465.20 is: 5,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.56 : 7,657.50 = 3,465.20 : x
  2. Step 2: Convert to fraction form
    5,108.56/7,657.50 = 3,465.20/x
  3. Step 3: Cross multiply
    5,108.56x = 7,657.50 × 3,465.20
  4. Step 4: Simplify right side
    5,108.56x = 26,534,769
  5. Step 5: Solve for x
    x = 26,534,769/5,108.56
  6. Step 6: Final answer
    x = 5,194.18

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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.