Home / 7,272.55-10,887.29-4,490.27

Finding the Fourth Proportional to 7,272.55, 10,887.29 and 4,490.27

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Solution

The fourth proportional to 7,272.55, 10,887.29 and 4,490.27 is: 6,722.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272.55 : 10,887.29 = 4,490.27 : x
  2. Step 2: Convert to fraction form
    7,272.55/10,887.29 = 4,490.27/x
  3. Step 3: Cross multiply
    7,272.55x = 10,887.29 × 4,490.27
  4. Step 4: Simplify right side
    7,272.55x = 48,886,871.67
  5. Step 5: Solve for x
    x = 48,886,871.67/7,272.55
  6. Step 6: Final answer
    x = 6,722.11

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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.