Home / 7,158.48-10,733.28-2,226.72

Finding the Fourth Proportional to 7,158.48, 10,733.28 and 2,226.72

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Solution

The fourth proportional to 7,158.48, 10,733.28 and 2,226.72 is: 3,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.48 : 10,733.28 = 2,226.72 : x
  2. Step 2: Convert to fraction form
    7,158.48/10,733.28 = 2,226.72/x
  3. Step 3: Cross multiply
    7,158.48x = 10,733.28 × 2,226.72
  4. Step 4: Simplify right side
    7,158.48x = 23,900,009.24
  5. Step 5: Solve for x
    x = 23,900,009.24/7,158.48
  6. Step 6: Final answer
    x = 3,338.70

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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.