Home / 4,139.37-5,713.23-2,547.39

Finding the Fourth Proportional to 4,139.37, 5,713.23 and 2,547.39

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Solution

The fourth proportional to 4,139.37, 5,713.23 and 2,547.39 is: 3,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.37 : 5,713.23 = 2,547.39 : x
  2. Step 2: Convert to fraction form
    4,139.37/5,713.23 = 2,547.39/x
  3. Step 3: Cross multiply
    4,139.37x = 5,713.23 × 2,547.39
  4. Step 4: Simplify right side
    4,139.37x = 14,553,824.97
  5. Step 5: Solve for x
    x = 14,553,824.97/4,139.37
  6. Step 6: Final answer
    x = 3,515.95

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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.