Home / 8,768.12-13,140.34-4,021.08

Finding the Fourth Proportional to 8,768.12, 13,140.34 and 4,021.08

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Solution

The fourth proportional to 8,768.12, 13,140.34 and 4,021.08 is: 6,026.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,768.12 : 13,140.34 = 4,021.08 : x
  2. Step 2: Convert to fraction form
    8,768.12/13,140.34 = 4,021.08/x
  3. Step 3: Cross multiply
    8,768.12x = 13,140.34 × 4,021.08
  4. Step 4: Simplify right side
    8,768.12x = 52,838,358.37
  5. Step 5: Solve for x
    x = 52,838,358.37/8,768.12
  6. Step 6: Final answer
    x = 6,026.19

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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.