Home / 6,576.10-9,864.15-3,120.10

Finding the Fourth Proportional to 6,576.10, 9,864.15 and 3,120.10

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Solution

The fourth proportional to 6,576.10, 9,864.15 and 3,120.10 is: 4,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,576.10 : 9,864.15 = 3,120.10 : x
  2. Step 2: Convert to fraction form
    6,576.10/9,864.15 = 3,120.10/x
  3. Step 3: Cross multiply
    6,576.10x = 9,864.15 × 3,120.10
  4. Step 4: Simplify right side
    6,576.10x = 30,777,134.42
  5. Step 5: Solve for x
    x = 30,777,134.42/6,576.10
  6. Step 6: Final answer
    x = 4,680.15

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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.