Home / 4,987.51-7,480.82-1,524.76

Finding the Fourth Proportional to 4,987.51, 7,480.82 and 1,524.76

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Solution

The fourth proportional to 4,987.51, 7,480.82 and 1,524.76 is: 2,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.51 : 7,480.82 = 1,524.76 : x
  2. Step 2: Convert to fraction form
    4,987.51/7,480.82 = 1,524.76/x
  3. Step 3: Cross multiply
    4,987.51x = 7,480.82 × 1,524.76
  4. Step 4: Simplify right side
    4,987.51x = 11,406,447.48
  5. Step 5: Solve for x
    x = 11,406,447.48/4,987.51
  6. Step 6: Final answer
    x = 2,287.00

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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.