Home / 7,190.32-9,921.52-4,541.36

Finding the Fourth Proportional to 7,190.32, 9,921.52 and 4,541.36

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Solution

The fourth proportional to 7,190.32, 9,921.52 and 4,541.36 is: 6,266.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,190.32 : 9,921.52 = 4,541.36 : x
  2. Step 2: Convert to fraction form
    7,190.32/9,921.52 = 4,541.36/x
  3. Step 3: Cross multiply
    7,190.32x = 9,921.52 × 4,541.36
  4. Step 4: Simplify right side
    7,190.32x = 45,057,194.07
  5. Step 5: Solve for x
    x = 45,057,194.07/7,190.32
  6. Step 6: Final answer
    x = 6,266.37

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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.