Home / 4,787.28-6,609.66-4,281.56

Finding the Fourth Proportional to 4,787.28, 6,609.66 and 4,281.56

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Solution

The fourth proportional to 4,787.28, 6,609.66 and 4,281.56 is: 5,911.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.28 : 6,609.66 = 4,281.56 : x
  2. Step 2: Convert to fraction form
    4,787.28/6,609.66 = 4,281.56/x
  3. Step 3: Cross multiply
    4,787.28x = 6,609.66 × 4,281.56
  4. Step 4: Simplify right side
    4,787.28x = 28,299,655.87
  5. Step 5: Solve for x
    x = 28,299,655.87/4,787.28
  6. Step 6: Final answer
    x = 5,911.43

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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.