Home / 4,813.24-6,641.85-2,688.61

Finding the Fourth Proportional to 4,813.24, 6,641.85 and 2,688.61

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Solution

The fourth proportional to 4,813.24, 6,641.85 and 2,688.61 is: 3,710.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.24 : 6,641.85 = 2,688.61 : x
  2. Step 2: Convert to fraction form
    4,813.24/6,641.85 = 2,688.61/x
  3. Step 3: Cross multiply
    4,813.24x = 6,641.85 × 2,688.61
  4. Step 4: Simplify right side
    4,813.24x = 17,857,344.33
  5. Step 5: Solve for x
    x = 17,857,344.33/4,813.24
  6. Step 6: Final answer
    x = 3,710.05

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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.