Home / 7,340.18-10,128.92-4,356.23

Finding the Fourth Proportional to 7,340.18, 10,128.92 and 4,356.23

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Solution

The fourth proportional to 7,340.18, 10,128.92 and 4,356.23 is: 6,011.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.18 : 10,128.92 = 4,356.23 : x
  2. Step 2: Convert to fraction form
    7,340.18/10,128.92 = 4,356.23/x
  3. Step 3: Cross multiply
    7,340.18x = 10,128.92 × 4,356.23
  4. Step 4: Simplify right side
    7,340.18x = 44,123,832.75
  5. Step 5: Solve for x
    x = 44,123,832.75/7,340.18
  6. Step 6: Final answer
    x = 6,011.28

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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.