Home / 5,529.40-7,632.14-3,642.36

Finding the Fourth Proportional to 5,529.40, 7,632.14 and 3,642.36

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Solution

The fourth proportional to 5,529.40, 7,632.14 and 3,642.36 is: 5,027.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.40 : 7,632.14 = 3,642.36 : x
  2. Step 2: Convert to fraction form
    5,529.40/7,632.14 = 3,642.36/x
  3. Step 3: Cross multiply
    5,529.40x = 7,632.14 × 3,642.36
  4. Step 4: Simplify right side
    5,529.40x = 27,799,001.45
  5. Step 5: Solve for x
    x = 27,799,001.45/5,529.40
  6. Step 6: Final answer
    x = 5,027.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.