Home / 7,957.38-10,981.25-4,420.94

Finding the Fourth Proportional to 7,957.38, 10,981.25 and 4,420.94

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Solution

The fourth proportional to 7,957.38, 10,981.25 and 4,420.94 is: 6,100.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.38 : 10,981.25 = 4,420.94 : x
  2. Step 2: Convert to fraction form
    7,957.38/10,981.25 = 4,420.94/x
  3. Step 3: Cross multiply
    7,957.38x = 10,981.25 × 4,420.94
  4. Step 4: Simplify right side
    7,957.38x = 48,547,447.38
  5. Step 5: Solve for x
    x = 48,547,447.38/7,957.38
  6. Step 6: Final answer
    x = 6,100.93

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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.