Home / 7,765.80-11,638.14-4,060.44

Finding the Fourth Proportional to 7,765.80, 11,638.14 and 4,060.44

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Solution

The fourth proportional to 7,765.80, 11,638.14 and 4,060.44 is: 6,085.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.80 : 11,638.14 = 4,060.44 : x
  2. Step 2: Convert to fraction form
    7,765.80/11,638.14 = 4,060.44/x
  3. Step 3: Cross multiply
    7,765.80x = 11,638.14 × 4,060.44
  4. Step 4: Simplify right side
    7,765.80x = 47,255,969.18
  5. Step 5: Solve for x
    x = 47,255,969.18/7,765.80
  6. Step 6: Final answer
    x = 6,085.14

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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.