Home / 4,821.48-7,223.96-2,631.74

Finding the Fourth Proportional to 4,821.48, 7,223.96 and 2,631.74

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Solution

The fourth proportional to 4,821.48, 7,223.96 and 2,631.74 is: 3,943.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.48 : 7,223.96 = 2,631.74 : x
  2. Step 2: Convert to fraction form
    4,821.48/7,223.96 = 2,631.74/x
  3. Step 3: Cross multiply
    4,821.48x = 7,223.96 × 2,631.74
  4. Step 4: Simplify right side
    4,821.48x = 19,011,609.13
  5. Step 5: Solve for x
    x = 19,011,609.13/4,821.48
  6. Step 6: Final answer
    x = 3,943.11

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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.