Home / 8,312.33-11,470.73-4,955.09

Finding the Fourth Proportional to 8,312.33, 11,470.73 and 4,955.09

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Solution

The fourth proportional to 8,312.33, 11,470.73 and 4,955.09 is: 6,837.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.33 : 11,470.73 = 4,955.09 : x
  2. Step 2: Convert to fraction form
    8,312.33/11,470.73 = 4,955.09/x
  3. Step 3: Cross multiply
    8,312.33x = 11,470.73 × 4,955.09
  4. Step 4: Simplify right side
    8,312.33x = 56,838,417.39
  5. Step 5: Solve for x
    x = 56,838,417.39/8,312.33
  6. Step 6: Final answer
    x = 6,837.85

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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.