Home / 6,143.46-9,215.61-1,760.82

Finding the Fourth Proportional to 6,143.46, 9,215.61 and 1,760.82

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Solution

The fourth proportional to 6,143.46, 9,215.61 and 1,760.82 is: 2,641.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.46 : 9,215.61 = 1,760.82 : x
  2. Step 2: Convert to fraction form
    6,143.46/9,215.61 = 1,760.82/x
  3. Step 3: Cross multiply
    6,143.46x = 9,215.61 × 1,760.82
  4. Step 4: Simplify right side
    6,143.46x = 16,227,030.40
  5. Step 5: Solve for x
    x = 16,227,030.40/6,143.46
  6. Step 6: Final answer
    x = 2,641.35

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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.