Home / 5,695.06-8,543.40-2,409.70

Finding the Fourth Proportional to 5,695.06, 8,543.40 and 2,409.70

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Solution

The fourth proportional to 5,695.06, 8,543.40 and 2,409.70 is: 3,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,695.06 : 8,543.40 = 2,409.70 : x
  2. Step 2: Convert to fraction form
    5,695.06/8,543.40 = 2,409.70/x
  3. Step 3: Cross multiply
    5,695.06x = 8,543.40 × 2,409.70
  4. Step 4: Simplify right side
    5,695.06x = 20,587,030.98
  5. Step 5: Solve for x
    x = 20,587,030.98/5,695.06
  6. Step 6: Final answer
    x = 3,614.89

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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.