Home / 4,335.80-6,490.93-2,687.05

Finding the Fourth Proportional to 4,335.80, 6,490.93 and 2,687.05

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Solution

The fourth proportional to 4,335.80, 6,490.93 and 2,687.05 is: 4,022.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,335.80 : 6,490.93 = 2,687.05 : x
  2. Step 2: Convert to fraction form
    4,335.80/6,490.93 = 2,687.05/x
  3. Step 3: Cross multiply
    4,335.80x = 6,490.93 × 2,687.05
  4. Step 4: Simplify right side
    4,335.80x = 17,441,453.46
  5. Step 5: Solve for x
    x = 17,441,453.46/4,335.80
  6. Step 6: Final answer
    x = 4,022.66

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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.