Home / 5,656.40-7,806.87-3,532.88

Finding the Fourth Proportional to 5,656.40, 7,806.87 and 3,532.88

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Solution

The fourth proportional to 5,656.40, 7,806.87 and 3,532.88 is: 4,876.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,656.40 : 7,806.87 = 3,532.88 : x
  2. Step 2: Convert to fraction form
    5,656.40/7,806.87 = 3,532.88/x
  3. Step 3: Cross multiply
    5,656.40x = 7,806.87 × 3,532.88
  4. Step 4: Simplify right side
    5,656.40x = 27,580,734.89
  5. Step 5: Solve for x
    x = 27,580,734.89/5,656.40
  6. Step 6: Final answer
    x = 4,876.02

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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.