Home / 4,243.40-5,854.28-3,127.00

Finding the Fourth Proportional to 4,243.40, 5,854.28 and 3,127.00

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Solution

The fourth proportional to 4,243.40, 5,854.28 and 3,127.00 is: 4,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.40 : 5,854.28 = 3,127.00 : x
  2. Step 2: Convert to fraction form
    4,243.40/5,854.28 = 3,127.00/x
  3. Step 3: Cross multiply
    4,243.40x = 5,854.28 × 3,127.00
  4. Step 4: Simplify right side
    4,243.40x = 18,306,310.99
  5. Step 5: Solve for x
    x = 18,306,310.99/4,243.40
  6. Step 6: Final answer
    x = 4,314.07

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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.