Home / 5,460.66-8,191.06-1,565.06

Finding the Fourth Proportional to 5,460.66, 8,191.06 and 1,565.06

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Solution

The fourth proportional to 5,460.66, 8,191.06 and 1,565.06 is: 2,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,460.66 : 8,191.06 = 1,565.06 : x
  2. Step 2: Convert to fraction form
    5,460.66/8,191.06 = 1,565.06/x
  3. Step 3: Cross multiply
    5,460.66x = 8,191.06 × 1,565.06
  4. Step 4: Simplify right side
    5,460.66x = 12,819,516.93
  5. Step 5: Solve for x
    x = 12,819,516.93/5,460.66
  6. Step 6: Final answer
    x = 2,347.61

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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.