Home / 7,381.30-11,059.80-6,336.40

Finding the Fourth Proportional to 7,381.30, 11,059.80 and 6,336.40

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Solution

The fourth proportional to 7,381.30, 11,059.80 and 6,336.40 is: 9,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.30 : 11,059.80 = 6,336.40 : x
  2. Step 2: Convert to fraction form
    7,381.30/11,059.80 = 6,336.40/x
  3. Step 3: Cross multiply
    7,381.30x = 11,059.80 × 6,336.40
  4. Step 4: Simplify right side
    7,381.30x = 70,079,316.72
  5. Step 5: Solve for x
    x = 70,079,316.72/7,381.30
  6. Step 6: Final answer
    x = 9,494.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.