Home / 8,774.20-12,107.06-5,237.36

Finding the Fourth Proportional to 8,774.20, 12,107.06 and 5,237.36

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Solution

The fourth proportional to 8,774.20, 12,107.06 and 5,237.36 is: 7,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.20 : 12,107.06 = 5,237.36 : x
  2. Step 2: Convert to fraction form
    8,774.20/12,107.06 = 5,237.36/x
  3. Step 3: Cross multiply
    8,774.20x = 12,107.06 × 5,237.36
  4. Step 4: Simplify right side
    8,774.20x = 63,409,031.76
  5. Step 5: Solve for x
    x = 63,409,031.76/8,774.20
  6. Step 6: Final answer
    x = 7,226.76

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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.