Home / 7,490.34-11,213.71-5,266.28

Finding the Fourth Proportional to 7,490.34, 11,213.71 and 5,266.28

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Solution

The fourth proportional to 7,490.34, 11,213.71 and 5,266.28 is: 7,884.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.34 : 11,213.71 = 5,266.28 : x
  2. Step 2: Convert to fraction form
    7,490.34/11,213.71 = 5,266.28/x
  3. Step 3: Cross multiply
    7,490.34x = 11,213.71 × 5,266.28
  4. Step 4: Simplify right side
    7,490.34x = 59,054,551.57
  5. Step 5: Solve for x
    x = 59,054,551.57/7,490.34
  6. Step 6: Final answer
    x = 7,884.09

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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.