Home / 7,938.78-10,956.17-4,403.13

Finding the Fourth Proportional to 7,938.78, 10,956.17 and 4,403.13

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Solution

The fourth proportional to 7,938.78, 10,956.17 and 4,403.13 is: 6,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,938.78 : 10,956.17 = 4,403.13 : x
  2. Step 2: Convert to fraction form
    7,938.78/10,956.17 = 4,403.13/x
  3. Step 3: Cross multiply
    7,938.78x = 10,956.17 × 4,403.13
  4. Step 4: Simplify right side
    7,938.78x = 48,241,440.81
  5. Step 5: Solve for x
    x = 48,241,440.81/7,938.78
  6. Step 6: Final answer
    x = 6,076.68

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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.