Home / 6,312.76-9,469.95-2,151.65

Finding the Fourth Proportional to 6,312.76, 9,469.95 and 2,151.65

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Solution

The fourth proportional to 6,312.76, 9,469.95 and 2,151.65 is: 3,227.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,312.76 : 9,469.95 = 2,151.65 : x
  2. Step 2: Convert to fraction form
    6,312.76/9,469.95 = 2,151.65/x
  3. Step 3: Cross multiply
    6,312.76x = 9,469.95 × 2,151.65
  4. Step 4: Simplify right side
    6,312.76x = 20,376,017.92
  5. Step 5: Solve for x
    x = 20,376,017.92/6,312.76
  6. Step 6: Final answer
    x = 3,227.75

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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.