Home / 6,927.72-9,560.76-3,943.56

Finding the Fourth Proportional to 6,927.72, 9,560.76 and 3,943.56

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Solution

The fourth proportional to 6,927.72, 9,560.76 and 3,943.56 is: 5,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.72 : 9,560.76 = 3,943.56 : x
  2. Step 2: Convert to fraction form
    6,927.72/9,560.76 = 3,943.56/x
  3. Step 3: Cross multiply
    6,927.72x = 9,560.76 × 3,943.56
  4. Step 4: Simplify right side
    6,927.72x = 37,703,430.71
  5. Step 5: Solve for x
    x = 37,703,430.71/6,927.72
  6. Step 6: Final answer
    x = 5,442.40

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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.