Home / 9,935.46-13,710.87-5,687.28

Finding the Fourth Proportional to 9,935.46, 13,710.87 and 5,687.28

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Solution

The fourth proportional to 9,935.46, 13,710.87 and 5,687.28 is: 7,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.46 : 13,710.87 = 5,687.28 : x
  2. Step 2: Convert to fraction form
    9,935.46/13,710.87 = 5,687.28/x
  3. Step 3: Cross multiply
    9,935.46x = 13,710.87 × 5,687.28
  4. Step 4: Simplify right side
    9,935.46x = 77,977,556.73
  5. Step 5: Solve for x
    x = 77,977,556.73/9,935.46
  6. Step 6: Final answer
    x = 7,848.41

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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.