Home / 7,445.72-10,249.32-6,436.96

Finding the Fourth Proportional to 7,445.72, 10,249.32 and 6,436.96

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Solution

The fourth proportional to 7,445.72, 10,249.32 and 6,436.96 is: 8,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.72 : 10,249.32 = 6,436.96 : x
  2. Step 2: Convert to fraction form
    7,445.72/10,249.32 = 6,436.96/x
  3. Step 3: Cross multiply
    7,445.72x = 10,249.32 × 6,436.96
  4. Step 4: Simplify right side
    7,445.72x = 65,974,462.87
  5. Step 5: Solve for x
    x = 65,974,462.87/7,445.72
  6. Step 6: Final answer
    x = 8,860.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.