Home / 8,709.33-12,021.84-5,352.30

Finding the Fourth Proportional to 8,709.33, 12,021.84 and 5,352.30

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Solution

The fourth proportional to 8,709.33, 12,021.84 and 5,352.30 is: 7,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,709.33 : 12,021.84 = 5,352.30 : x
  2. Step 2: Convert to fraction form
    8,709.33/12,021.84 = 5,352.30/x
  3. Step 3: Cross multiply
    8,709.33x = 12,021.84 × 5,352.30
  4. Step 4: Simplify right side
    8,709.33x = 64,344,494.23
  5. Step 5: Solve for x
    x = 64,344,494.23/8,709.33
  6. Step 6: Final answer
    x = 7,388.00

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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.