Home / 4,278.81-6,412.92-2,424.31

Finding the Fourth Proportional to 4,278.81, 6,412.92 and 2,424.31

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Solution

The fourth proportional to 4,278.81, 6,412.92 and 2,424.31 is: 3,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.81 : 6,412.92 = 2,424.31 : x
  2. Step 2: Convert to fraction form
    4,278.81/6,412.92 = 2,424.31/x
  3. Step 3: Cross multiply
    4,278.81x = 6,412.92 × 2,424.31
  4. Step 4: Simplify right side
    4,278.81x = 15,546,864.93
  5. Step 5: Solve for x
    x = 15,546,864.93/4,278.81
  6. Step 6: Final answer
    x = 3,633.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.