Home / 4,677.28-6,451.80-2,787.62

Finding the Fourth Proportional to 4,677.28, 6,451.80 and 2,787.62

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Solution

The fourth proportional to 4,677.28, 6,451.80 and 2,787.62 is: 3,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,677.28 : 6,451.80 = 2,787.62 : x
  2. Step 2: Convert to fraction form
    4,677.28/6,451.80 = 2,787.62/x
  3. Step 3: Cross multiply
    4,677.28x = 6,451.80 × 2,787.62
  4. Step 4: Simplify right side
    4,677.28x = 17,985,166.72
  5. Step 5: Solve for x
    x = 17,985,166.72/4,677.28
  6. Step 6: Final answer
    x = 3,845.22

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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.