Home / 7,440.72-10,268.28-4,297.92

Finding the Fourth Proportional to 7,440.72, 10,268.28 and 4,297.92

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Solution

The fourth proportional to 7,440.72, 10,268.28 and 4,297.92 is: 5,931.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.72 : 10,268.28 = 4,297.92 : x
  2. Step 2: Convert to fraction form
    7,440.72/10,268.28 = 4,297.92/x
  3. Step 3: Cross multiply
    7,440.72x = 10,268.28 × 4,297.92
  4. Step 4: Simplify right side
    7,440.72x = 44,132,245.98
  5. Step 5: Solve for x
    x = 44,132,245.98/7,440.72
  6. Step 6: Final answer
    x = 5,931.18

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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.