Home / 5,746.68-8,619.37-1,587.28

Finding the Fourth Proportional to 5,746.68, 8,619.37 and 1,587.28

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Solution

The fourth proportional to 5,746.68, 8,619.37 and 1,587.28 is: 2,380.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.68 : 8,619.37 = 1,587.28 : x
  2. Step 2: Convert to fraction form
    5,746.68/8,619.37 = 1,587.28/x
  3. Step 3: Cross multiply
    5,746.68x = 8,619.37 × 1,587.28
  4. Step 4: Simplify right side
    5,746.68x = 13,681,348.72
  5. Step 5: Solve for x
    x = 13,681,348.72/5,746.68
  6. Step 6: Final answer
    x = 2,380.74

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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.