Home / 6,516.30-9,772.65-2,621.10

Finding the Fourth Proportional to 6,516.30, 9,772.65 and 2,621.10

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Solution

The fourth proportional to 6,516.30, 9,772.65 and 2,621.10 is: 3,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.30 : 9,772.65 = 2,621.10 : x
  2. Step 2: Convert to fraction form
    6,516.30/9,772.65 = 2,621.10/x
  3. Step 3: Cross multiply
    6,516.30x = 9,772.65 × 2,621.10
  4. Step 4: Simplify right side
    6,516.30x = 25,615,092.92
  5. Step 5: Solve for x
    x = 25,615,092.92/6,516.30
  6. Step 6: Final answer
    x = 3,930.93

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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.