Home / 7,929.32-10,942.16-4,392.45

Finding the Fourth Proportional to 7,929.32, 10,942.16 and 4,392.45

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Solution

The fourth proportional to 7,929.32, 10,942.16 and 4,392.45 is: 6,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.32 : 10,942.16 = 4,392.45 : x
  2. Step 2: Convert to fraction form
    7,929.32/10,942.16 = 4,392.45/x
  3. Step 3: Cross multiply
    7,929.32x = 10,942.16 × 4,392.45
  4. Step 4: Simplify right side
    7,929.32x = 48,062,868.73
  5. Step 5: Solve for x
    x = 48,062,868.73/7,929.32
  6. Step 6: Final answer
    x = 6,061.41

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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.