Home / 4,281.78-6,423.27-1,360.35

Finding the Fourth Proportional to 4,281.78, 6,423.27 and 1,360.35

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Solution

The fourth proportional to 4,281.78, 6,423.27 and 1,360.35 is: 2,040.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.78 : 6,423.27 = 1,360.35 : x
  2. Step 2: Convert to fraction form
    4,281.78/6,423.27 = 1,360.35/x
  3. Step 3: Cross multiply
    4,281.78x = 6,423.27 × 1,360.35
  4. Step 4: Simplify right side
    4,281.78x = 8,737,895.34
  5. Step 5: Solve for x
    x = 8,737,895.34/4,281.78
  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.