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Finding the Fourth Proportional to 6,539.52, 9,810.92 and 1,922.56

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Solution

The fourth proportional to 6,539.52, 9,810.92 and 1,922.56 is: 2,884.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539.52 : 9,810.92 = 1,922.56 : x
  2. Step 2: Convert to fraction form
    6,539.52/9,810.92 = 1,922.56/x
  3. Step 3: Cross multiply
    6,539.52x = 9,810.92 × 1,922.56
  4. Step 4: Simplify right side
    6,539.52x = 18,862,082.36
  5. Step 5: Solve for x
    x = 18,862,082.36/6,539.52
  6. Step 6: Final answer
    x = 2,884.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.