Home / 6,876.29-9,491.69-4,223.95

Finding the Fourth Proportional to 6,876.29, 9,491.69 and 4,223.95

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Solution

The fourth proportional to 6,876.29, 9,491.69 and 4,223.95 is: 5,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.29 : 9,491.69 = 4,223.95 : x
  2. Step 2: Convert to fraction form
    6,876.29/9,491.69 = 4,223.95/x
  3. Step 3: Cross multiply
    6,876.29x = 9,491.69 × 4,223.95
  4. Step 4: Simplify right side
    6,876.29x = 40,092,423.98
  5. Step 5: Solve for x
    x = 40,092,423.98/6,876.29
  6. Step 6: Final answer
    x = 5,830.53

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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.