Home / 7,422.40-10,238.52-4,627.36

Finding the Fourth Proportional to 7,422.40, 10,238.52 and 4,627.36

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Solution

The fourth proportional to 7,422.40, 10,238.52 and 4,627.36 is: 6,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.40 : 10,238.52 = 4,627.36 : x
  2. Step 2: Convert to fraction form
    7,422.40/10,238.52 = 4,627.36/x
  3. Step 3: Cross multiply
    7,422.40x = 10,238.52 × 4,627.36
  4. Step 4: Simplify right side
    7,422.40x = 47,377,317.91
  5. Step 5: Solve for x
    x = 47,377,317.91/7,422.40
  6. Step 6: Final answer
    x = 6,383.02

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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.