Home / 8,333.12-11,500.26-4,797.20

Finding the Fourth Proportional to 8,333.12, 11,500.26 and 4,797.20

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Solution

The fourth proportional to 8,333.12, 11,500.26 and 4,797.20 is: 6,620.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.12 : 11,500.26 = 4,797.20 : x
  2. Step 2: Convert to fraction form
    8,333.12/11,500.26 = 4,797.20/x
  3. Step 3: Cross multiply
    8,333.12x = 11,500.26 × 4,797.20
  4. Step 4: Simplify right side
    8,333.12x = 55,169,047.27
  5. Step 5: Solve for x
    x = 55,169,047.27/8,333.12
  6. Step 6: Final answer
    x = 6,620.46

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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.