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Finding the Fourth Proportional to 7,391.04, 10,191.04 and 6,866.16

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Solution

The fourth proportional to 7,391.04, 10,191.04 and 6,866.16 is: 9,467.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.04 : 10,191.04 = 6,866.16 : x
  2. Step 2: Convert to fraction form
    7,391.04/10,191.04 = 6,866.16/x
  3. Step 3: Cross multiply
    7,391.04x = 10,191.04 × 6,866.16
  4. Step 4: Simplify right side
    7,391.04x = 69,973,311.21
  5. Step 5: Solve for x
    x = 69,973,311.21/7,391.04
  6. Step 6: Final answer
    x = 9,467.32

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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.