Home / 7,496.40-11,243.70-4,378.17

Finding the Fourth Proportional to 7,496.40, 11,243.70 and 4,378.17

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Solution

The fourth proportional to 7,496.40, 11,243.70 and 4,378.17 is: 6,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,496.40 : 11,243.70 = 4,378.17 : x
  2. Step 2: Convert to fraction form
    7,496.40/11,243.70 = 4,378.17/x
  3. Step 3: Cross multiply
    7,496.40x = 11,243.70 × 4,378.17
  4. Step 4: Simplify right side
    7,496.40x = 49,226,830.03
  5. Step 5: Solve for x
    x = 49,226,830.03/7,496.40
  6. Step 6: Final answer
    x = 6,566.73

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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.