Home / 5,767.12-8,649.09-2,479.51

Finding the Fourth Proportional to 5,767.12, 8,649.09 and 2,479.51

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Solution

The fourth proportional to 5,767.12, 8,649.09 and 2,479.51 is: 3,718.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,767.12 : 8,649.09 = 2,479.51 : x
  2. Step 2: Convert to fraction form
    5,767.12/8,649.09 = 2,479.51/x
  3. Step 3: Cross multiply
    5,767.12x = 8,649.09 × 2,479.51
  4. Step 4: Simplify right side
    5,767.12x = 21,445,505.15
  5. Step 5: Solve for x
    x = 21,445,505.15/5,767.12
  6. Step 6: Final answer
    x = 3,718.58

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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.