Home / 4,887.12-6,744.84-4,472.40

Finding the Fourth Proportional to 4,887.12, 6,744.84 and 4,472.40

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Solution

The fourth proportional to 4,887.12, 6,744.84 and 4,472.40 is: 6,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.12 : 6,744.84 = 4,472.40 : x
  2. Step 2: Convert to fraction form
    4,887.12/6,744.84 = 4,472.40/x
  3. Step 3: Cross multiply
    4,887.12x = 6,744.84 × 4,472.40
  4. Step 4: Simplify right side
    4,887.12x = 30,165,622.42
  5. Step 5: Solve for x
    x = 30,165,622.42/4,887.12
  6. Step 6: Final answer
    x = 6,172.47

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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.