Home / 7,675.16-11,487.98-3,972.30

Finding the Fourth Proportional to 7,675.16, 11,487.98 and 3,972.30

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Solution

The fourth proportional to 7,675.16, 11,487.98 and 3,972.30 is: 5,945.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.16 : 11,487.98 = 3,972.30 : x
  2. Step 2: Convert to fraction form
    7,675.16/11,487.98 = 3,972.30/x
  3. Step 3: Cross multiply
    7,675.16x = 11,487.98 × 3,972.30
  4. Step 4: Simplify right side
    7,675.16x = 45,633,702.95
  5. Step 5: Solve for x
    x = 45,633,702.95/7,675.16
  6. Step 6: Final answer
    x = 5,945.64

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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.