Home / 5,100.57-7,650.45-1,637.55

Finding the Fourth Proportional to 5,100.57, 7,650.45 and 1,637.55

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Solution

The fourth proportional to 5,100.57, 7,650.45 and 1,637.55 is: 2,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100.57 : 7,650.45 = 1,637.55 : x
  2. Step 2: Convert to fraction form
    5,100.57/7,650.45 = 1,637.55/x
  3. Step 3: Cross multiply
    5,100.57x = 7,650.45 × 1,637.55
  4. Step 4: Simplify right side
    5,100.57x = 12,527,994.40
  5. Step 5: Solve for x
    x = 12,527,994.40/5,100.57
  6. Step 6: Final answer
    x = 2,456.19

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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.