Home / 7,349.36-11,079.11-6,860.55

Finding the Fourth Proportional to 7,349.36, 11,079.11 and 6,860.55

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Solution

The fourth proportional to 7,349.36, 11,079.11 and 6,860.55 is: 10,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,349.36 : 11,079.11 = 6,860.55 : x
  2. Step 2: Convert to fraction form
    7,349.36/11,079.11 = 6,860.55/x
  3. Step 3: Cross multiply
    7,349.36x = 11,079.11 × 6,860.55
  4. Step 4: Simplify right side
    7,349.36x = 76,008,753.81
  5. Step 5: Solve for x
    x = 76,008,753.81/7,349.36
  6. Step 6: Final answer
    x = 10,342.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.