Home / 7,699.30-11,554.14-3,317.20

Finding the Fourth Proportional to 7,699.30, 11,554.14 and 3,317.20

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Solution

The fourth proportional to 7,699.30, 11,554.14 and 3,317.20 is: 4,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.30 : 11,554.14 = 3,317.20 : x
  2. Step 2: Convert to fraction form
    7,699.30/11,554.14 = 3,317.20/x
  3. Step 3: Cross multiply
    7,699.30x = 11,554.14 × 3,317.20
  4. Step 4: Simplify right side
    7,699.30x = 38,327,393.21
  5. Step 5: Solve for x
    x = 38,327,393.21/7,699.30
  6. Step 6: Final answer
    x = 4,978.04

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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.