Home / 8,333.21-11,502.39-4,798.78

Finding the Fourth Proportional to 8,333.21, 11,502.39 and 4,798.78

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Solution

The fourth proportional to 8,333.21, 11,502.39 and 4,798.78 is: 6,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,333.21 : 11,502.39 = 4,798.78 : x
  2. Step 2: Convert to fraction form
    8,333.21/11,502.39 = 4,798.78/x
  3. Step 3: Cross multiply
    8,333.21x = 11,502.39 × 4,798.78
  4. Step 4: Simplify right side
    8,333.21x = 55,197,381.57
  5. Step 5: Solve for x
    x = 55,197,381.57/8,333.21
  6. Step 6: Final answer
    x = 6,623.78

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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.