Home / 7,653.21-11,475.51-2,653.24

Finding the Fourth Proportional to 7,653.21, 11,475.51 and 2,653.24

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Solution

The fourth proportional to 7,653.21, 11,475.51 and 2,653.24 is: 3,978.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.21 : 11,475.51 = 2,653.24 : x
  2. Step 2: Convert to fraction form
    7,653.21/11,475.51 = 2,653.24/x
  3. Step 3: Cross multiply
    7,653.21x = 11,475.51 × 2,653.24
  4. Step 4: Simplify right side
    7,653.21x = 30,447,282.15
  5. Step 5: Solve for x
    x = 30,447,282.15/7,653.21
  6. Step 6: Final answer
    x = 3,978.37

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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.