Home / 7,391.36-10,195.60-4,405.20

Finding the Fourth Proportional to 7,391.36, 10,195.60 and 4,405.20

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Solution

The fourth proportional to 7,391.36, 10,195.60 and 4,405.20 is: 6,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.36 : 10,195.60 = 4,405.20 : x
  2. Step 2: Convert to fraction form
    7,391.36/10,195.60 = 4,405.20/x
  3. Step 3: Cross multiply
    7,391.36x = 10,195.60 × 4,405.20
  4. Step 4: Simplify right side
    7,391.36x = 44,913,657.12
  5. Step 5: Solve for x
    x = 44,913,657.12/7,391.36
  6. Step 6: Final answer
    x = 6,076.51

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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.