Home / 6,510.07-9,766.65-2,127.52

Finding the Fourth Proportional to 6,510.07, 9,766.65 and 2,127.52

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Solution

The fourth proportional to 6,510.07, 9,766.65 and 2,127.52 is: 3,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.07 : 9,766.65 = 2,127.52 : x
  2. Step 2: Convert to fraction form
    6,510.07/9,766.65 = 2,127.52/x
  3. Step 3: Cross multiply
    6,510.07x = 9,766.65 × 2,127.52
  4. Step 4: Simplify right side
    6,510.07x = 20,778,743.21
  5. Step 5: Solve for x
    x = 20,778,743.21/6,510.07
  6. Step 6: Final answer
    x = 3,191.78

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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.