Home / 5,113.10-7,669.65-5,040.20

Finding the Fourth Proportional to 5,113.10, 7,669.65 and 5,040.20

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Solution

The fourth proportional to 5,113.10, 7,669.65 and 5,040.20 is: 7,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.10 : 7,669.65 = 5,040.20 : x
  2. Step 2: Convert to fraction form
    5,113.10/7,669.65 = 5,040.20/x
  3. Step 3: Cross multiply
    5,113.10x = 7,669.65 × 5,040.20
  4. Step 4: Simplify right side
    5,113.10x = 38,656,569.93
  5. Step 5: Solve for x
    x = 38,656,569.93/5,113.10
  6. Step 6: Final answer
    x = 7,560.30

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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.