Home / 6,510.60-9,767.66-2,127.48

Finding the Fourth Proportional to 6,510.60, 9,767.66 and 2,127.48

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Solution

The fourth proportional to 6,510.60, 9,767.66 and 2,127.48 is: 3,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.60 : 9,767.66 = 2,127.48 : x
  2. Step 2: Convert to fraction form
    6,510.60/9,767.66 = 2,127.48/x
  3. Step 3: Cross multiply
    6,510.60x = 9,767.66 × 2,127.48
  4. Step 4: Simplify right side
    6,510.60x = 20,780,501.30
  5. Step 5: Solve for x
    x = 20,780,501.30/6,510.60
  6. Step 6: Final answer
    x = 3,191.80

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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.