Home / 9,690.84-13,372.92-5,442.48

Finding the Fourth Proportional to 9,690.84, 13,372.92 and 5,442.48

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Solution

The fourth proportional to 9,690.84, 13,372.92 and 5,442.48 is: 7,510.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,690.84 : 13,372.92 = 5,442.48 : x
  2. Step 2: Convert to fraction form
    9,690.84/13,372.92 = 5,442.48/x
  3. Step 3: Cross multiply
    9,690.84x = 13,372.92 × 5,442.48
  4. Step 4: Simplify right side
    9,690.84x = 72,781,849.64
  5. Step 5: Solve for x
    x = 72,781,849.64/9,690.84
  6. Step 6: Final answer
    x = 7,510.38

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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.