Home / 5,038.55-7,524.87-4,290.18

Finding the Fourth Proportional to 5,038.55, 7,524.87 and 4,290.18

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Solution

The fourth proportional to 5,038.55, 7,524.87 and 4,290.18 is: 6,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.55 : 7,524.87 = 4,290.18 : x
  2. Step 2: Convert to fraction form
    5,038.55/7,524.87 = 4,290.18/x
  3. Step 3: Cross multiply
    5,038.55x = 7,524.87 × 4,290.18
  4. Step 4: Simplify right side
    5,038.55x = 32,283,025.33
  5. Step 5: Solve for x
    x = 32,283,025.33/5,038.55
  6. Step 6: Final answer
    x = 6,407.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.