Home / 8,127.50-11,214.95-4,542.65

Finding the Fourth Proportional to 8,127.50, 11,214.95 and 4,542.65

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Solution

The fourth proportional to 8,127.50, 11,214.95 and 4,542.65 is: 6,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.50 : 11,214.95 = 4,542.65 : x
  2. Step 2: Convert to fraction form
    8,127.50/11,214.95 = 4,542.65/x
  3. Step 3: Cross multiply
    8,127.50x = 11,214.95 × 4,542.65
  4. Step 4: Simplify right side
    8,127.50x = 50,945,555.89
  5. Step 5: Solve for x
    x = 50,945,555.89/8,127.50
  6. Step 6: Final answer
    x = 6,268.30

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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.