Home / 7,477.29-11,215.96-3,527.28

Finding the Fourth Proportional to 7,477.29, 11,215.96 and 3,527.28

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Solution

The fourth proportional to 7,477.29, 11,215.96 and 3,527.28 is: 5,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.29 : 11,215.96 = 3,527.28 : x
  2. Step 2: Convert to fraction form
    7,477.29/11,215.96 = 3,527.28/x
  3. Step 3: Cross multiply
    7,477.29x = 11,215.96 × 3,527.28
  4. Step 4: Simplify right side
    7,477.29x = 39,561,822.57
  5. Step 5: Solve for x
    x = 39,561,822.57/7,477.29
  6. Step 6: Final answer
    x = 5,290.93

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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.