Home / 7,943.66-10,962.88-4,407.56

Finding the Fourth Proportional to 7,943.66, 10,962.88 and 4,407.56

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Solution

The fourth proportional to 7,943.66, 10,962.88 and 4,407.56 is: 6,082.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943.66 : 10,962.88 = 4,407.56 : x
  2. Step 2: Convert to fraction form
    7,943.66/10,962.88 = 4,407.56/x
  3. Step 3: Cross multiply
    7,943.66x = 10,962.88 × 4,407.56
  4. Step 4: Simplify right side
    7,943.66x = 48,319,551.37
  5. Step 5: Solve for x
    x = 48,319,551.37/7,943.66
  6. Step 6: Final answer
    x = 6,082.78

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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.