Home / 8,265.57-11,405.30-4,728.12

Finding the Fourth Proportional to 8,265.57, 11,405.30 and 4,728.12

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Solution

The fourth proportional to 8,265.57, 11,405.30 and 4,728.12 is: 6,524.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.57 : 11,405.30 = 4,728.12 : x
  2. Step 2: Convert to fraction form
    8,265.57/11,405.30 = 4,728.12/x
  3. Step 3: Cross multiply
    8,265.57x = 11,405.30 × 4,728.12
  4. Step 4: Simplify right side
    8,265.57x = 53,925,603.40
  5. Step 5: Solve for x
    x = 53,925,603.40/8,265.57
  6. Step 6: Final answer
    x = 6,524.12

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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.