Home / 6,448.03-9,680.95-3,330.61

Finding the Fourth Proportional to 6,448.03, 9,680.95 and 3,330.61

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Solution

The fourth proportional to 6,448.03, 9,680.95 and 3,330.61 is: 5,000.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.03 : 9,680.95 = 3,330.61 : x
  2. Step 2: Convert to fraction form
    6,448.03/9,680.95 = 3,330.61/x
  3. Step 3: Cross multiply
    6,448.03x = 9,680.95 × 3,330.61
  4. Step 4: Simplify right side
    6,448.03x = 32,243,448.84
  5. Step 5: Solve for x
    x = 32,243,448.84/6,448.03
  6. Step 6: Final answer
    x = 5,000.51

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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.