Home / 4,888.80-6,747.08-2,765.18

Finding the Fourth Proportional to 4,888.80, 6,747.08 and 2,765.18

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Solution

The fourth proportional to 4,888.80, 6,747.08 and 2,765.18 is: 3,816.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.80 : 6,747.08 = 2,765.18 : x
  2. Step 2: Convert to fraction form
    4,888.80/6,747.08 = 2,765.18/x
  3. Step 3: Cross multiply
    4,888.80x = 6,747.08 × 2,765.18
  4. Step 4: Simplify right side
    4,888.80x = 18,656,843.11
  5. Step 5: Solve for x
    x = 18,656,843.11/4,888.80
  6. Step 6: Final answer
    x = 3,816.24

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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.