Home / 7,412.66-10,230.36-4,268.78

Finding the Fourth Proportional to 7,412.66, 10,230.36 and 4,268.78

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Solution

The fourth proportional to 7,412.66, 10,230.36 and 4,268.78 is: 5,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.66 : 10,230.36 = 4,268.78 : x
  2. Step 2: Convert to fraction form
    7,412.66/10,230.36 = 4,268.78/x
  3. Step 3: Cross multiply
    7,412.66x = 10,230.36 × 4,268.78
  4. Step 4: Simplify right side
    7,412.66x = 43,671,156.16
  5. Step 5: Solve for x
    x = 43,671,156.16/7,412.66
  6. Step 6: Final answer
    x = 5,891.43

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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.