Home / 5,657.51-8,486.27-1,761.92

Finding the Fourth Proportional to 5,657.51, 8,486.27 and 1,761.92

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Solution

The fourth proportional to 5,657.51, 8,486.27 and 1,761.92 is: 2,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,657.51 : 8,486.27 = 1,761.92 : x
  2. Step 2: Convert to fraction form
    5,657.51/8,486.27 = 1,761.92/x
  3. Step 3: Cross multiply
    5,657.51x = 8,486.27 × 1,761.92
  4. Step 4: Simplify right side
    5,657.51x = 14,952,077.60
  5. Step 5: Solve for x
    x = 14,952,077.60/5,657.51
  6. Step 6: Final answer
    x = 2,642.87

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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.