Home / 5,787.10-7,984.04-3,798.76

Finding the Fourth Proportional to 5,787.10, 7,984.04 and 3,798.76

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Solution

The fourth proportional to 5,787.10, 7,984.04 and 3,798.76 is: 5,240.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.10 : 7,984.04 = 3,798.76 : x
  2. Step 2: Convert to fraction form
    5,787.10/7,984.04 = 3,798.76/x
  3. Step 3: Cross multiply
    5,787.10x = 7,984.04 × 3,798.76
  4. Step 4: Simplify right side
    5,787.10x = 30,329,451.79
  5. Step 5: Solve for x
    x = 30,329,451.79/5,787.10
  6. Step 6: Final answer
    x = 5,240.87

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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.