Home / 7,528.61-11,237.94-6,972.75

Finding the Fourth Proportional to 7,528.61, 11,237.94 and 6,972.75

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Solution

The fourth proportional to 7,528.61, 11,237.94 and 6,972.75 is: 10,408.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.61 : 11,237.94 = 6,972.75 : x
  2. Step 2: Convert to fraction form
    7,528.61/11,237.94 = 6,972.75/x
  3. Step 3: Cross multiply
    7,528.61x = 11,237.94 × 6,972.75
  4. Step 4: Simplify right side
    7,528.61x = 78,359,346.14
  5. Step 5: Solve for x
    x = 78,359,346.14/7,528.61
  6. Step 6: Final answer
    x = 10,408.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.