Home / 4,180.04-6,265.72-1,987.10

Finding the Fourth Proportional to 4,180.04, 6,265.72 and 1,987.10

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Solution

The fourth proportional to 4,180.04, 6,265.72 and 1,987.10 is: 2,978.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.04 : 6,265.72 = 1,987.10 : x
  2. Step 2: Convert to fraction form
    4,180.04/6,265.72 = 1,987.10/x
  3. Step 3: Cross multiply
    4,180.04x = 6,265.72 × 1,987.10
  4. Step 4: Simplify right side
    4,180.04x = 12,450,612.21
  5. Step 5: Solve for x
    x = 12,450,612.21/4,180.04
  6. Step 6: Final answer
    x = 2,978.59

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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.