Home / 9,318.86-12,860.32-5,341.22

Finding the Fourth Proportional to 9,318.86, 12,860.32 and 5,341.22

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Solution

The fourth proportional to 9,318.86, 12,860.32 and 5,341.22 is: 7,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,318.86 : 12,860.32 = 5,341.22 : x
  2. Step 2: Convert to fraction form
    9,318.86/12,860.32 = 5,341.22/x
  3. Step 3: Cross multiply
    9,318.86x = 12,860.32 × 5,341.22
  4. Step 4: Simplify right side
    9,318.86x = 68,689,778.98
  5. Step 5: Solve for x
    x = 68,689,778.98/9,318.86
  6. Step 6: Final answer
    x = 7,371.05

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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.