Home / 8,926.71-12,319.31-4,947.84

Finding the Fourth Proportional to 8,926.71, 12,319.31 and 4,947.84

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Solution

The fourth proportional to 8,926.71, 12,319.31 and 4,947.84 is: 6,828.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.71 : 12,319.31 = 4,947.84 : x
  2. Step 2: Convert to fraction form
    8,926.71/12,319.31 = 4,947.84/x
  3. Step 3: Cross multiply
    8,926.71x = 12,319.31 × 4,947.84
  4. Step 4: Simplify right side
    8,926.71x = 60,953,974.79
  5. Step 5: Solve for x
    x = 60,953,974.79/8,926.71
  6. Step 6: Final answer
    x = 6,828.27

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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.