Home / 8,326.17-11,490.36-4,971.54

Finding the Fourth Proportional to 8,326.17, 11,490.36 and 4,971.54

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Solution

The fourth proportional to 8,326.17, 11,490.36 and 4,971.54 is: 6,860.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.17 : 11,490.36 = 4,971.54 : x
  2. Step 2: Convert to fraction form
    8,326.17/11,490.36 = 4,971.54/x
  3. Step 3: Cross multiply
    8,326.17x = 11,490.36 × 4,971.54
  4. Step 4: Simplify right side
    8,326.17x = 57,124,784.35
  5. Step 5: Solve for x
    x = 57,124,784.35/8,326.17
  6. Step 6: Final answer
    x = 6,860.87

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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.