Home / 4,039.20-5,574.76-2,547.92

Finding the Fourth Proportional to 4,039.20, 5,574.76 and 2,547.92

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Solution

The fourth proportional to 4,039.20, 5,574.76 and 2,547.92 is: 3,516.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.20 : 5,574.76 = 2,547.92 : x
  2. Step 2: Convert to fraction form
    4,039.20/5,574.76 = 2,547.92/x
  3. Step 3: Cross multiply
    4,039.20x = 5,574.76 × 2,547.92
  4. Step 4: Simplify right side
    4,039.20x = 14,204,050.07
  5. Step 5: Solve for x
    x = 14,204,050.07/4,039.20
  6. Step 6: Final answer
    x = 3,516.55

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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.