Home / 7,624.13-10,522.20-4,480.31

Finding the Fourth Proportional to 7,624.13, 10,522.20 and 4,480.31

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Solution

The fourth proportional to 7,624.13, 10,522.20 and 4,480.31 is: 6,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.13 : 10,522.20 = 4,480.31 : x
  2. Step 2: Convert to fraction form
    7,624.13/10,522.20 = 4,480.31/x
  3. Step 3: Cross multiply
    7,624.13x = 10,522.20 × 4,480.31
  4. Step 4: Simplify right side
    7,624.13x = 47,142,760.99
  5. Step 5: Solve for x
    x = 47,142,760.99/7,624.13
  6. Step 6: Final answer
    x = 6,183.37

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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.