Home / 5,038.20-7,557.30-4,114.80

Finding the Fourth Proportional to 5,038.20, 7,557.30 and 4,114.80

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Solution

The fourth proportional to 5,038.20, 7,557.30 and 4,114.80 is: 6,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.20 : 7,557.30 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    5,038.20/7,557.30 = 4,114.80/x
  3. Step 3: Cross multiply
    5,038.20x = 7,557.30 × 4,114.80
  4. Step 4: Simplify right side
    5,038.20x = 31,096,778.04
  5. Step 5: Solve for x
    x = 31,096,778.04/5,038.20
  6. Step 6: Final answer
    x = 6,172.20

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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.