Home / 5,217.65-7,200.02-2,859.33

Finding the Fourth Proportional to 5,217.65, 7,200.02 and 2,859.33

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Solution

The fourth proportional to 5,217.65, 7,200.02 and 2,859.33 is: 3,945.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.65 : 7,200.02 = 2,859.33 : x
  2. Step 2: Convert to fraction form
    5,217.65/7,200.02 = 2,859.33/x
  3. Step 3: Cross multiply
    5,217.65x = 7,200.02 × 2,859.33
  4. Step 4: Simplify right side
    5,217.65x = 20,587,267.34
  5. Step 5: Solve for x
    x = 20,587,267.34/5,217.65
  6. Step 6: Final answer
    x = 3,945.70

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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.