Home / 7,555.29-11,343.24-5,209.50

Finding the Fourth Proportional to 7,555.29, 11,343.24 and 5,209.50

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Solution

The fourth proportional to 7,555.29, 11,343.24 and 5,209.50 is: 7,821.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.29 : 11,343.24 = 5,209.50 : x
  2. Step 2: Convert to fraction form
    7,555.29/11,343.24 = 5,209.50/x
  3. Step 3: Cross multiply
    7,555.29x = 11,343.24 × 5,209.50
  4. Step 4: Simplify right side
    7,555.29x = 59,092,635.37
  5. Step 5: Solve for x
    x = 59,092,635.37/7,555.29
  6. Step 6: Final answer
    x = 7,821.36

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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.