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Finding the Fourth Proportional to 9,710.99, 13,401.87 and 5,934.87

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Solution

The fourth proportional to 9,710.99, 13,401.87 and 5,934.87 is: 8,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,710.99 : 13,401.87 = 5,934.87 : x
  2. Step 2: Convert to fraction form
    9,710.99/13,401.87 = 5,934.87/x
  3. Step 3: Cross multiply
    9,710.99x = 13,401.87 × 5,934.87
  4. Step 4: Simplify right side
    9,710.99x = 79,538,356.21
  5. Step 5: Solve for x
    x = 79,538,356.21/9,710.99
  6. Step 6: Final answer
    x = 8,190.55

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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.