Home / 7,945.56-10,964.77-4,542.53

Finding the Fourth Proportional to 7,945.56, 10,964.77 and 4,542.53

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Solution

The fourth proportional to 7,945.56, 10,964.77 and 4,542.53 is: 6,268.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.56 : 10,964.77 = 4,542.53 : x
  2. Step 2: Convert to fraction form
    7,945.56/10,964.77 = 4,542.53/x
  3. Step 3: Cross multiply
    7,945.56x = 10,964.77 × 4,542.53
  4. Step 4: Simplify right side
    7,945.56x = 49,807,792.16
  5. Step 5: Solve for x
    x = 49,807,792.16/7,945.56
  6. Step 6: Final answer
    x = 6,268.63

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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.