Home / 5,862.45-8,089.65-3,209.79

Finding the Fourth Proportional to 5,862.45, 8,089.65 and 3,209.79

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Solution

The fourth proportional to 5,862.45, 8,089.65 and 3,209.79 is: 4,429.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.45 : 8,089.65 = 3,209.79 : x
  2. Step 2: Convert to fraction form
    5,862.45/8,089.65 = 3,209.79/x
  3. Step 3: Cross multiply
    5,862.45x = 8,089.65 × 3,209.79
  4. Step 4: Simplify right side
    5,862.45x = 25,966,077.67
  5. Step 5: Solve for x
    x = 25,966,077.67/5,862.45
  6. Step 6: Final answer
    x = 4,429.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.