Home / 8,340.94-11,484.26-7,079.36

Finding the Fourth Proportional to 8,340.94, 11,484.26 and 7,079.36

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Solution

The fourth proportional to 8,340.94, 11,484.26 and 7,079.36 is: 9,747.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.94 : 11,484.26 = 7,079.36 : x
  2. Step 2: Convert to fraction form
    8,340.94/11,484.26 = 7,079.36/x
  3. Step 3: Cross multiply
    8,340.94x = 11,484.26 × 7,079.36
  4. Step 4: Simplify right side
    8,340.94x = 81,301,210.87
  5. Step 5: Solve for x
    x = 81,301,210.87/8,340.94
  6. Step 6: Final answer
    x = 9,747.25

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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.