Home / 7,426.80-10,247.28-4,442.16

Finding the Fourth Proportional to 7,426.80, 10,247.28 and 4,442.16

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Solution

The fourth proportional to 7,426.80, 10,247.28 and 4,442.16 is: 6,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.80 : 10,247.28 = 4,442.16 : x
  2. Step 2: Convert to fraction form
    7,426.80/10,247.28 = 4,442.16/x
  3. Step 3: Cross multiply
    7,426.80x = 10,247.28 × 4,442.16
  4. Step 4: Simplify right side
    7,426.80x = 45,520,057.32
  5. Step 5: Solve for x
    x = 45,520,057.32/7,426.80
  6. Step 6: Final answer
    x = 6,129.16

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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.