Home / 4,938.86-7,411.28-2,165.69

Finding the Fourth Proportional to 4,938.86, 7,411.28 and 2,165.69

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Solution

The fourth proportional to 4,938.86, 7,411.28 and 2,165.69 is: 3,249.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.86 : 7,411.28 = 2,165.69 : x
  2. Step 2: Convert to fraction form
    4,938.86/7,411.28 = 2,165.69/x
  3. Step 3: Cross multiply
    4,938.86x = 7,411.28 × 2,165.69
  4. Step 4: Simplify right side
    4,938.86x = 16,050,534.98
  5. Step 5: Solve for x
    x = 16,050,534.98/4,938.86
  6. Step 6: Final answer
    x = 3,249.85

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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.