Home / 5,621.30-7,750.18-4,609.28

Finding the Fourth Proportional to 5,621.30, 7,750.18 and 4,609.28

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Solution

The fourth proportional to 5,621.30, 7,750.18 and 4,609.28 is: 6,354.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.30 : 7,750.18 = 4,609.28 : x
  2. Step 2: Convert to fraction form
    5,621.30/7,750.18 = 4,609.28/x
  3. Step 3: Cross multiply
    5,621.30x = 7,750.18 × 4,609.28
  4. Step 4: Simplify right side
    5,621.30x = 35,722,703.72
  5. Step 5: Solve for x
    x = 35,722,703.72/5,621.30
  6. Step 6: Final answer
    x = 6,354.89

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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.