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Finding the Fourth Proportional to 7,605.01, 10,418.68 and 7,320.72

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Solution

The fourth proportional to 7,605.01, 10,418.68 and 7,320.72 is: 10,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.01 : 10,418.68 = 7,320.72 : x
  2. Step 2: Convert to fraction form
    7,605.01/10,418.68 = 7,320.72/x
  3. Step 3: Cross multiply
    7,605.01x = 10,418.68 × 7,320.72
  4. Step 4: Simplify right side
    7,605.01x = 76,272,220.75
  5. Step 5: Solve for x
    x = 76,272,220.75/7,605.01
  6. Step 6: Final answer
    x = 10,029.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.