Home / 9,279.99-12,806.87-5,301.54

Finding the Fourth Proportional to 9,279.99, 12,806.87 and 5,301.54

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Solution

The fourth proportional to 9,279.99, 12,806.87 and 5,301.54 is: 7,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.99 : 12,806.87 = 5,301.54 : x
  2. Step 2: Convert to fraction form
    9,279.99/12,806.87 = 5,301.54/x
  3. Step 3: Cross multiply
    9,279.99x = 12,806.87 × 5,301.54
  4. Step 4: Simplify right side
    9,279.99x = 67,896,107.07
  5. Step 5: Solve for x
    x = 67,896,107.07/9,279.99
  6. Step 6: Final answer
    x = 7,316.40

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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.