Home / 7,649.13-10,552.78-4,659.78

Finding the Fourth Proportional to 7,649.13, 10,552.78 and 4,659.78

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Solution

The fourth proportional to 7,649.13, 10,552.78 and 4,659.78 is: 6,428.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.13 : 10,552.78 = 4,659.78 : x
  2. Step 2: Convert to fraction form
    7,649.13/10,552.78 = 4,659.78/x
  3. Step 3: Cross multiply
    7,649.13x = 10,552.78 × 4,659.78
  4. Step 4: Simplify right side
    7,649.13x = 49,173,619.23
  5. Step 5: Solve for x
    x = 49,173,619.23/7,649.13
  6. Step 6: Final answer
    x = 6,428.65

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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.