Home / 7,422.63-10,243.24-4,065.45

Finding the Fourth Proportional to 7,422.63, 10,243.24 and 4,065.45

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Solution

The fourth proportional to 7,422.63, 10,243.24 and 4,065.45 is: 5,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.63 : 10,243.24 = 4,065.45 : x
  2. Step 2: Convert to fraction form
    7,422.63/10,243.24 = 4,065.45/x
  3. Step 3: Cross multiply
    7,422.63x = 10,243.24 × 4,065.45
  4. Step 4: Simplify right side
    7,422.63x = 41,643,308.51
  5. Step 5: Solve for x
    x = 41,643,308.51/7,422.63
  6. Step 6: Final answer
    x = 5,610.32

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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.