Home / 4,987.94-7,482.20-2,066.46

Finding the Fourth Proportional to 4,987.94, 7,482.20 and 2,066.46

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Solution

The fourth proportional to 4,987.94, 7,482.20 and 2,066.46 is: 3,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.94 : 7,482.20 = 2,066.46 : x
  2. Step 2: Convert to fraction form
    4,987.94/7,482.20 = 2,066.46/x
  3. Step 3: Cross multiply
    4,987.94x = 7,482.20 × 2,066.46
  4. Step 4: Simplify right side
    4,987.94x = 15,461,656.68
  5. Step 5: Solve for x
    x = 15,461,656.68/4,987.94
  6. Step 6: Final answer
    x = 3,099.81

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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.