Home / 5,460.50-7,535.28-3,102.40

Finding the Fourth Proportional to 5,460.50, 7,535.28 and 3,102.40

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Solution

The fourth proportional to 5,460.50, 7,535.28 and 3,102.40 is: 4,281.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.50 : 7,535.28 = 3,102.40 : x
  2. Step 2: Convert to fraction form
    5,460.50/7,535.28 = 3,102.40/x
  3. Step 3: Cross multiply
    5,460.50x = 7,535.28 × 3,102.40
  4. Step 4: Simplify right side
    5,460.50x = 23,377,452.67
  5. Step 5: Solve for x
    x = 23,377,452.67/5,460.50
  6. Step 6: Final answer
    x = 4,281.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.