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Finding the Fourth Proportional to 7,588.70, 11,365.55 and 7,326.02

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Solution

The fourth proportional to 7,588.70, 11,365.55 and 7,326.02 is: 10,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,588.70 : 11,365.55 = 7,326.02 : x
  2. Step 2: Convert to fraction form
    7,588.70/11,365.55 = 7,326.02/x
  3. Step 3: Cross multiply
    7,588.70x = 11,365.55 × 7,326.02
  4. Step 4: Simplify right side
    7,588.70x = 83,264,246.61
  5. Step 5: Solve for x
    x = 83,264,246.61/7,588.70
  6. Step 6: Final answer
    x = 10,972.14

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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.