Home / 5,657.07-8,486.82-1,761.51

Finding the Fourth Proportional to 5,657.07, 8,486.82 and 1,761.51

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Solution

The fourth proportional to 5,657.07, 8,486.82 and 1,761.51 is: 2,642.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.07 : 8,486.82 = 1,761.51 : x
  2. Step 2: Convert to fraction form
    5,657.07/8,486.82 = 1,761.51/x
  3. Step 3: Cross multiply
    5,657.07x = 8,486.82 × 1,761.51
  4. Step 4: Simplify right side
    5,657.07x = 14,949,618.30
  5. Step 5: Solve for x
    x = 14,949,618.30/5,657.07
  6. Step 6: Final answer
    x = 2,642.64

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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.