Home / 5,306.45-7,320.85-4,046.20

Finding the Fourth Proportional to 5,306.45, 7,320.85 and 4,046.20

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Solution

The fourth proportional to 5,306.45, 7,320.85 and 4,046.20 is: 5,582.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306.45 : 7,320.85 = 4,046.20 : x
  2. Step 2: Convert to fraction form
    5,306.45/7,320.85 = 4,046.20/x
  3. Step 3: Cross multiply
    5,306.45x = 7,320.85 × 4,046.20
  4. Step 4: Simplify right side
    5,306.45x = 29,621,623.27
  5. Step 5: Solve for x
    x = 29,621,623.27/5,306.45
  6. Step 6: Final answer
    x = 5,582.19

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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.