Home / 7,476.20-10,311.25-6,973.19

Finding the Fourth Proportional to 7,476.20, 10,311.25 and 6,973.19

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Solution

The fourth proportional to 7,476.20, 10,311.25 and 6,973.19 is: 9,617.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.20 : 10,311.25 = 6,973.19 : x
  2. Step 2: Convert to fraction form
    7,476.20/10,311.25 = 6,973.19/x
  3. Step 3: Cross multiply
    7,476.20x = 10,311.25 × 6,973.19
  4. Step 4: Simplify right side
    7,476.20x = 71,902,288.14
  5. Step 5: Solve for x
    x = 71,902,288.14/7,476.20
  6. Step 6: Final answer
    x = 9,617.49

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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.