Home / 7,455.70-11,191.65-4,175.20

Finding the Fourth Proportional to 7,455.70, 11,191.65 and 4,175.20

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Solution

The fourth proportional to 7,455.70, 11,191.65 and 4,175.20 is: 6,267.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.70 : 11,191.65 = 4,175.20 : x
  2. Step 2: Convert to fraction form
    7,455.70/11,191.65 = 4,175.20/x
  3. Step 3: Cross multiply
    7,455.70x = 11,191.65 × 4,175.20
  4. Step 4: Simplify right side
    7,455.70x = 46,727,377.08
  5. Step 5: Solve for x
    x = 46,727,377.08/7,455.70
  6. Step 6: Final answer
    x = 6,267.34

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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.