Home / 7,617.07-11,423.16-2,421.73

Finding the Fourth Proportional to 7,617.07, 11,423.16 and 2,421.73

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Solution

The fourth proportional to 7,617.07, 11,423.16 and 2,421.73 is: 3,631.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.07 : 11,423.16 = 2,421.73 : x
  2. Step 2: Convert to fraction form
    7,617.07/11,423.16 = 2,421.73/x
  3. Step 3: Cross multiply
    7,617.07x = 11,423.16 × 2,421.73
  4. Step 4: Simplify right side
    7,617.07x = 27,663,809.27
  5. Step 5: Solve for x
    x = 27,663,809.27/7,617.07
  6. Step 6: Final answer
    x = 3,631.82

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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.