Home / 8,905.92-12,289.35-4,926.95

Finding the Fourth Proportional to 8,905.92, 12,289.35 and 4,926.95

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Solution

The fourth proportional to 8,905.92, 12,289.35 and 4,926.95 is: 6,798.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,905.92 : 12,289.35 = 4,926.95 : x
  2. Step 2: Convert to fraction form
    8,905.92/12,289.35 = 4,926.95/x
  3. Step 3: Cross multiply
    8,905.92x = 12,289.35 × 4,926.95
  4. Step 4: Simplify right side
    8,905.92x = 60,549,043.71
  5. Step 5: Solve for x
    x = 60,549,043.71/8,905.92
  6. Step 6: Final answer
    x = 6,798.74

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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.