Home / 7,443.40-10,272.20-4,458.66

Finding the Fourth Proportional to 7,443.40, 10,272.20 and 4,458.66

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Solution

The fourth proportional to 7,443.40, 10,272.20 and 4,458.66 is: 6,153.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.40 : 10,272.20 = 4,458.66 : x
  2. Step 2: Convert to fraction form
    7,443.40/10,272.20 = 4,458.66/x
  3. Step 3: Cross multiply
    7,443.40x = 10,272.20 × 4,458.66
  4. Step 4: Simplify right side
    7,443.40x = 45,800,247.25
  5. Step 5: Solve for x
    x = 45,800,247.25/7,443.40
  6. Step 6: Final answer
    x = 6,153.14

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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.