Home / 6,621.65-9,934.45-2,670.87

Finding the Fourth Proportional to 6,621.65, 9,934.45 and 2,670.87

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Solution

The fourth proportional to 6,621.65, 9,934.45 and 2,670.87 is: 4,007.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,621.65 : 9,934.45 = 2,670.87 : x
  2. Step 2: Convert to fraction form
    6,621.65/9,934.45 = 2,670.87/x
  3. Step 3: Cross multiply
    6,621.65x = 9,934.45 × 2,670.87
  4. Step 4: Simplify right side
    6,621.65x = 26,533,655.05
  5. Step 5: Solve for x
    x = 26,533,655.05/6,621.65
  6. Step 6: Final answer
    x = 4,007.11

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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.