Home / 5,790.22-8,685.27-1,407.68

Finding the Fourth Proportional to 5,790.22, 8,685.27 and 1,407.68

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Solution

The fourth proportional to 5,790.22, 8,685.27 and 1,407.68 is: 2,111.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.22 : 8,685.27 = 1,407.68 : x
  2. Step 2: Convert to fraction form
    5,790.22/8,685.27 = 1,407.68/x
  3. Step 3: Cross multiply
    5,790.22x = 8,685.27 × 1,407.68
  4. Step 4: Simplify right side
    5,790.22x = 12,226,115.20
  5. Step 5: Solve for x
    x = 12,226,115.20/5,790.22
  6. Step 6: Final answer
    x = 2,111.51

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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.