Home / 4,006.52-5,531.40-2,590.80

Finding the Fourth Proportional to 4,006.52, 5,531.40 and 2,590.80

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Solution

The fourth proportional to 4,006.52, 5,531.40 and 2,590.80 is: 3,576.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,006.52 : 5,531.40 = 2,590.80 : x
  2. Step 2: Convert to fraction form
    4,006.52/5,531.40 = 2,590.80/x
  3. Step 3: Cross multiply
    4,006.52x = 5,531.40 × 2,590.80
  4. Step 4: Simplify right side
    4,006.52x = 14,330,751.12
  5. Step 5: Solve for x
    x = 14,330,751.12/4,006.52
  6. Step 6: Final answer
    x = 3,576.86

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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.