Home / 4,716.74-7,080.30-3,985.40

Finding the Fourth Proportional to 4,716.74, 7,080.30 and 3,985.40

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Solution

The fourth proportional to 4,716.74, 7,080.30 and 3,985.40 is: 5,982.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.74 : 7,080.30 = 3,985.40 : x
  2. Step 2: Convert to fraction form
    4,716.74/7,080.30 = 3,985.40/x
  3. Step 3: Cross multiply
    4,716.74x = 7,080.30 × 3,985.40
  4. Step 4: Simplify right side
    4,716.74x = 28,217,845.32
  5. Step 5: Solve for x
    x = 28,217,845.32/4,716.74
  6. Step 6: Final answer
    x = 5,982.49

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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.