Home / 4,705.08-7,061.85-2,515.68

Finding the Fourth Proportional to 4,705.08, 7,061.85 and 2,515.68

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Solution

The fourth proportional to 4,705.08, 7,061.85 and 2,515.68 is: 3,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.08 : 7,061.85 = 2,515.68 : x
  2. Step 2: Convert to fraction form
    4,705.08/7,061.85 = 2,515.68/x
  3. Step 3: Cross multiply
    4,705.08x = 7,061.85 × 2,515.68
  4. Step 4: Simplify right side
    4,705.08x = 17,765,354.81
  5. Step 5: Solve for x
    x = 17,765,354.81/4,705.08
  6. Step 6: Final answer
    x = 3,775.78

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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.