Home / 4,987.20-7,474.08-2,062.08

Finding the Fourth Proportional to 4,987.20, 7,474.08 and 2,062.08

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Solution

The fourth proportional to 4,987.20, 7,474.08 and 2,062.08 is: 3,090.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.20 : 7,474.08 = 2,062.08 : x
  2. Step 2: Convert to fraction form
    4,987.20/7,474.08 = 2,062.08/x
  3. Step 3: Cross multiply
    4,987.20x = 7,474.08 × 2,062.08
  4. Step 4: Simplify right side
    4,987.20x = 15,412,150.89
  5. Step 5: Solve for x
    x = 15,412,150.89/4,987.20
  6. Step 6: Final answer
    x = 3,090.34

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1.5x scale

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.