Home / 7,348.32-10,140.39-4,203.90

Finding the Fourth Proportional to 7,348.32, 10,140.39 and 4,203.90

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Solution

The fourth proportional to 7,348.32, 10,140.39 and 4,203.90 is: 5,801.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.32 : 10,140.39 = 4,203.90 : x
  2. Step 2: Convert to fraction form
    7,348.32/10,140.39 = 4,203.90/x
  3. Step 3: Cross multiply
    7,348.32x = 10,140.39 × 4,203.90
  4. Step 4: Simplify right side
    7,348.32x = 42,629,185.52
  5. Step 5: Solve for x
    x = 42,629,185.52/7,348.32
  6. Step 6: Final answer
    x = 5,801.22

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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.