Home / 8,454.36-11,666.70-4,728.12

Finding the Fourth Proportional to 8,454.36, 11,666.70 and 4,728.12

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Solution

The fourth proportional to 8,454.36, 11,666.70 and 4,728.12 is: 6,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.36 : 11,666.70 = 4,728.12 : x
  2. Step 2: Convert to fraction form
    8,454.36/11,666.70 = 4,728.12/x
  3. Step 3: Cross multiply
    8,454.36x = 11,666.70 × 4,728.12
  4. Step 4: Simplify right side
    8,454.36x = 55,161,557.60
  5. Step 5: Solve for x
    x = 55,161,557.60/8,454.36
  6. Step 6: Final answer
    x = 6,524.63

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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.