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Finding the Fourth Proportional to 7,444.78, 10,275.06 and 4,302.79

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Solution

The fourth proportional to 7,444.78, 10,275.06 and 4,302.79 is: 5,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,444.78 : 10,275.06 = 4,302.79 : x
  2. Step 2: Convert to fraction form
    7,444.78/10,275.06 = 4,302.79/x
  3. Step 3: Cross multiply
    7,444.78x = 10,275.06 × 4,302.79
  4. Step 4: Simplify right side
    7,444.78x = 44,211,425.42
  5. Step 5: Solve for x
    x = 44,211,425.42/7,444.78
  6. Step 6: Final answer
    x = 5,938.58

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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.