Home / 4,987.91-7,482.76-2,066.44

Finding the Fourth Proportional to 4,987.91, 7,482.76 and 2,066.44

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Solution

The fourth proportional to 4,987.91, 7,482.76 and 2,066.44 is: 3,100.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.91 : 7,482.76 = 2,066.44 : x
  2. Step 2: Convert to fraction form
    4,987.91/7,482.76 = 2,066.44/x
  3. Step 3: Cross multiply
    4,987.91x = 7,482.76 × 2,066.44
  4. Step 4: Simplify right side
    4,987.91x = 15,462,674.57
  5. Step 5: Solve for x
    x = 15,462,674.57/4,987.91
  6. Step 6: Final answer
    x = 3,100.03

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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.