Home / 4,747.10-7,120.65-2,281.34

Finding the Fourth Proportional to 4,747.10, 7,120.65 and 2,281.34

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Solution

The fourth proportional to 4,747.10, 7,120.65 and 2,281.34 is: 3,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,747.10 : 7,120.65 = 2,281.34 : x
  2. Step 2: Convert to fraction form
    4,747.10/7,120.65 = 2,281.34/x
  3. Step 3: Cross multiply
    4,747.10x = 7,120.65 × 2,281.34
  4. Step 4: Simplify right side
    4,747.10x = 16,244,623.67
  5. Step 5: Solve for x
    x = 16,244,623.67/4,747.10
  6. Step 6: Final answer
    x = 3,422.01

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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.