Home / 8,542.90-12,814.27-2,699.51

Finding the Fourth Proportional to 8,542.90, 12,814.27 and 2,699.51

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Solution

The fourth proportional to 8,542.90, 12,814.27 and 2,699.51 is: 4,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.90 : 12,814.27 = 2,699.51 : x
  2. Step 2: Convert to fraction form
    8,542.90/12,814.27 = 2,699.51/x
  3. Step 3: Cross multiply
    8,542.90x = 12,814.27 × 2,699.51
  4. Step 4: Simplify right side
    8,542.90x = 34,592,266.45
  5. Step 5: Solve for x
    x = 34,592,266.45/8,542.90
  6. Step 6: Final answer
    x = 4,049.24

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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.