Home / 8,542.47-12,813.75-2,699.10

Finding the Fourth Proportional to 8,542.47, 12,813.75 and 2,699.10

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Solution

The fourth proportional to 8,542.47, 12,813.75 and 2,699.10 is: 4,048.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.47 : 12,813.75 = 2,699.10 : x
  2. Step 2: Convert to fraction form
    8,542.47/12,813.75 = 2,699.10/x
  3. Step 3: Cross multiply
    8,542.47x = 12,813.75 × 2,699.10
  4. Step 4: Simplify right side
    8,542.47x = 34,585,592.63
  5. Step 5: Solve for x
    x = 34,585,592.63/8,542.47
  6. Step 6: Final answer
    x = 4,048.66

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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.