Home / 9,327.06-12,868.79-6,491.25

Finding the Fourth Proportional to 9,327.06, 12,868.79 and 6,491.25

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Solution

The fourth proportional to 9,327.06, 12,868.79 and 6,491.25 is: 8,956.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.06 : 12,868.79 = 6,491.25 : x
  2. Step 2: Convert to fraction form
    9,327.06/12,868.79 = 6,491.25/x
  3. Step 3: Cross multiply
    9,327.06x = 12,868.79 × 6,491.25
  4. Step 4: Simplify right side
    9,327.06x = 83,534,500.63
  5. Step 5: Solve for x
    x = 83,534,500.63/9,327.06
  6. Step 6: Final answer
    x = 8,956.14

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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.