Home / 8,766.81-12,094.74-5,579.28

Finding the Fourth Proportional to 8,766.81, 12,094.74 and 5,579.28

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Solution

The fourth proportional to 8,766.81, 12,094.74 and 5,579.28 is: 7,697.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.81 : 12,094.74 = 5,579.28 : x
  2. Step 2: Convert to fraction form
    8,766.81/12,094.74 = 5,579.28/x
  3. Step 3: Cross multiply
    8,766.81x = 12,094.74 × 5,579.28
  4. Step 4: Simplify right side
    8,766.81x = 67,479,940.99
  5. Step 5: Solve for x
    x = 67,479,940.99/8,766.81
  6. Step 6: Final answer
    x = 7,697.21

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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.