Home / 6,347.12-9,517.02-1,963.40

Finding the Fourth Proportional to 6,347.12, 9,517.02 and 1,963.40

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Solution

The fourth proportional to 6,347.12, 9,517.02 and 1,963.40 is: 2,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.12 : 9,517.02 = 1,963.40 : x
  2. Step 2: Convert to fraction form
    6,347.12/9,517.02 = 1,963.40/x
  3. Step 3: Cross multiply
    6,347.12x = 9,517.02 × 1,963.40
  4. Step 4: Simplify right side
    6,347.12x = 18,685,717.07
  5. Step 5: Solve for x
    x = 18,685,717.07/6,347.12
  6. Step 6: Final answer
    x = 2,943.97

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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.