Home / 8,905.31-12,288.96-4,926.17

Finding the Fourth Proportional to 8,905.31, 12,288.96 and 4,926.17

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Solution

The fourth proportional to 8,905.31, 12,288.96 and 4,926.17 is: 6,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.31 : 12,288.96 = 4,926.17 : x
  2. Step 2: Convert to fraction form
    8,905.31/12,288.96 = 4,926.17/x
  3. Step 3: Cross multiply
    8,905.31x = 12,288.96 × 4,926.17
  4. Step 4: Simplify right side
    8,905.31x = 60,537,536.81
  5. Step 5: Solve for x
    x = 60,537,536.81/8,905.31
  6. Step 6: Final answer
    x = 6,797.91

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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.