Home / 7,864.06-10,839.80-5,969.48

Finding the Fourth Proportional to 7,864.06, 10,839.80 and 5,969.48

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Solution

The fourth proportional to 7,864.06, 10,839.80 and 5,969.48 is: 8,228.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.06 : 10,839.80 = 5,969.48 : x
  2. Step 2: Convert to fraction form
    7,864.06/10,839.80 = 5,969.48/x
  3. Step 3: Cross multiply
    7,864.06x = 10,839.80 × 5,969.48
  4. Step 4: Simplify right side
    7,864.06x = 64,707,969.30
  5. Step 5: Solve for x
    x = 64,707,969.30/7,864.06
  6. Step 6: Final answer
    x = 8,228.32

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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.