Home / 8,609.19-12,883.50-5,276.40

Finding the Fourth Proportional to 8,609.19, 12,883.50 and 5,276.40

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Solution

The fourth proportional to 8,609.19, 12,883.50 and 5,276.40 is: 7,896.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.19 : 12,883.50 = 5,276.40 : x
  2. Step 2: Convert to fraction form
    8,609.19/12,883.50 = 5,276.40/x
  3. Step 3: Cross multiply
    8,609.19x = 12,883.50 × 5,276.40
  4. Step 4: Simplify right side
    8,609.19x = 67,978,499.40
  5. Step 5: Solve for x
    x = 67,978,499.40/8,609.19
  6. Step 6: Final answer
    x = 7,896.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.