Home / 8,884.40-12,260.58-4,905.68

Finding the Fourth Proportional to 8,884.40, 12,260.58 and 4,905.68

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Solution

The fourth proportional to 8,884.40, 12,260.58 and 4,905.68 is: 6,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.40 : 12,260.58 = 4,905.68 : x
  2. Step 2: Convert to fraction form
    8,884.40/12,260.58 = 4,905.68/x
  3. Step 3: Cross multiply
    8,884.40x = 12,260.58 × 4,905.68
  4. Step 4: Simplify right side
    8,884.40x = 60,146,482.09
  5. Step 5: Solve for x
    x = 60,146,482.09/8,884.40
  6. Step 6: Final answer
    x = 6,769.90

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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.