Home / 4,140.07-5,712.90-2,371.43

Finding the Fourth Proportional to 4,140.07, 5,712.90 and 2,371.43

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Solution

The fourth proportional to 4,140.07, 5,712.90 and 2,371.43 is: 3,272.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.07 : 5,712.90 = 2,371.43 : x
  2. Step 2: Convert to fraction form
    4,140.07/5,712.90 = 2,371.43/x
  3. Step 3: Cross multiply
    4,140.07x = 5,712.90 × 2,371.43
  4. Step 4: Simplify right side
    4,140.07x = 13,547,747.84
  5. Step 5: Solve for x
    x = 13,547,747.84/4,140.07
  6. Step 6: Final answer
    x = 3,272.35

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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.