Home / 4,000.26-5,511.51-2,987.58

Finding the Fourth Proportional to 4,000.26, 5,511.51 and 2,987.58

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Solution

The fourth proportional to 4,000.26, 5,511.51 and 2,987.58 is: 4,116.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.26 : 5,511.51 = 2,987.58 : x
  2. Step 2: Convert to fraction form
    4,000.26/5,511.51 = 2,987.58/x
  3. Step 3: Cross multiply
    4,000.26x = 5,511.51 × 2,987.58
  4. Step 4: Simplify right side
    4,000.26x = 16,466,077.05
  5. Step 5: Solve for x
    x = 16,466,077.05/4,000.26
  6. Step 6: Final answer
    x = 4,116.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.