Home / 7,436.12-10,262.13-4,079.05

Finding the Fourth Proportional to 7,436.12, 10,262.13 and 4,079.05

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Solution

The fourth proportional to 7,436.12, 10,262.13 and 4,079.05 is: 5,629.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,436.12 : 10,262.13 = 4,079.05 : x
  2. Step 2: Convert to fraction form
    7,436.12/10,262.13 = 4,079.05/x
  3. Step 3: Cross multiply
    7,436.12x = 10,262.13 × 4,079.05
  4. Step 4: Simplify right side
    7,436.12x = 41,859,700.42
  5. Step 5: Solve for x
    x = 41,859,700.42/7,436.12
  6. Step 6: Final answer
    x = 5,629.24

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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.