Home / 9,639.11-13,301.24-5,861.77

Finding the Fourth Proportional to 9,639.11, 13,301.24 and 5,861.77

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Solution

The fourth proportional to 9,639.11, 13,301.24 and 5,861.77 is: 8,088.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.11 : 13,301.24 = 5,861.77 : x
  2. Step 2: Convert to fraction form
    9,639.11/13,301.24 = 5,861.77/x
  3. Step 3: Cross multiply
    9,639.11x = 13,301.24 × 5,861.77
  4. Step 4: Simplify right side
    9,639.11x = 77,968,747.03
  5. Step 5: Solve for x
    x = 77,968,747.03/9,639.11
  6. Step 6: Final answer
    x = 8,088.79

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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.