Home / 6,320.07-8,718.98-3,961.76

Finding the Fourth Proportional to 6,320.07, 8,718.98 and 3,961.76

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Solution

The fourth proportional to 6,320.07, 8,718.98 and 3,961.76 is: 5,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320.07 : 8,718.98 = 3,961.76 : x
  2. Step 2: Convert to fraction form
    6,320.07/8,718.98 = 3,961.76/x
  3. Step 3: Cross multiply
    6,320.07x = 8,718.98 × 3,961.76
  4. Step 4: Simplify right side
    6,320.07x = 34,542,442.80
  5. Step 5: Solve for x
    x = 34,542,442.80/6,320.07
  6. Step 6: Final answer
    x = 5,465.52

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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.