Home / 7,572.51-11,360.21-2,643.56

Finding the Fourth Proportional to 7,572.51, 11,360.21 and 2,643.56

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Solution

The fourth proportional to 7,572.51, 11,360.21 and 2,643.56 is: 3,965.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.51 : 11,360.21 = 2,643.56 : x
  2. Step 2: Convert to fraction form
    7,572.51/11,360.21 = 2,643.56/x
  3. Step 3: Cross multiply
    7,572.51x = 11,360.21 × 2,643.56
  4. Step 4: Simplify right side
    7,572.51x = 30,031,396.75
  5. Step 5: Solve for x
    x = 30,031,396.75/7,572.51
  6. Step 6: Final answer
    x = 3,965.84

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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.