Home / 9,639.87-13,301.46-5,861.01

Finding the Fourth Proportional to 9,639.87, 13,301.46 and 5,861.01

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Solution

The fourth proportional to 9,639.87, 13,301.46 and 5,861.01 is: 8,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.87 : 13,301.46 = 5,861.01 : x
  2. Step 2: Convert to fraction form
    9,639.87/13,301.46 = 5,861.01/x
  3. Step 3: Cross multiply
    9,639.87x = 13,301.46 × 5,861.01
  4. Step 4: Simplify right side
    9,639.87x = 77,959,990.07
  5. Step 5: Solve for x
    x = 77,959,990.07/9,639.87
  6. Step 6: Final answer
    x = 8,087.24

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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.