Home / 4,509.78-6,761.93-2,169.69

Finding the Fourth Proportional to 4,509.78, 6,761.93 and 2,169.69

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Solution

The fourth proportional to 4,509.78, 6,761.93 and 2,169.69 is: 3,253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.78 : 6,761.93 = 2,169.69 : x
  2. Step 2: Convert to fraction form
    4,509.78/6,761.93 = 2,169.69/x
  3. Step 3: Cross multiply
    4,509.78x = 6,761.93 × 2,169.69
  4. Step 4: Simplify right side
    4,509.78x = 14,671,267.90
  5. Step 5: Solve for x
    x = 14,671,267.90/4,509.78
  6. Step 6: Final answer
    x = 3,253.21

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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.