Home / 4,675.15-6,451.81-2,787.10

Finding the Fourth Proportional to 4,675.15, 6,451.81 and 2,787.10

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Solution

The fourth proportional to 4,675.15, 6,451.81 and 2,787.10 is: 3,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.15 : 6,451.81 = 2,787.10 : x
  2. Step 2: Convert to fraction form
    4,675.15/6,451.81 = 2,787.10/x
  3. Step 3: Cross multiply
    4,675.15x = 6,451.81 × 2,787.10
  4. Step 4: Simplify right side
    4,675.15x = 17,981,816.55
  5. Step 5: Solve for x
    x = 17,981,816.55/4,675.15
  6. Step 6: Final answer
    x = 3,846.25

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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.