Home / 4,281.66-6,422.90-1,360.40

Finding the Fourth Proportional to 4,281.66, 6,422.90 and 1,360.40

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Solution

The fourth proportional to 4,281.66, 6,422.90 and 1,360.40 is: 2,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.66 : 6,422.90 = 1,360.40 : x
  2. Step 2: Convert to fraction form
    4,281.66/6,422.90 = 1,360.40/x
  3. Step 3: Cross multiply
    4,281.66x = 6,422.90 × 1,360.40
  4. Step 4: Simplify right side
    4,281.66x = 8,737,674.24
  5. Step 5: Solve for x
    x = 8,737,674.24/4,281.66
  6. Step 6: Final answer
    x = 2,040.72

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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.