Home / 9,660.05-13,329.94-5,410.77

Finding the Fourth Proportional to 9,660.05, 13,329.94 and 5,410.77

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Solution

The fourth proportional to 9,660.05, 13,329.94 and 5,410.77 is: 7,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,660.05 : 13,329.94 = 5,410.77 : x
  2. Step 2: Convert to fraction form
    9,660.05/13,329.94 = 5,410.77/x
  3. Step 3: Cross multiply
    9,660.05x = 13,329.94 × 5,410.77
  4. Step 4: Simplify right side
    9,660.05x = 72,125,279.53
  5. Step 5: Solve for x
    x = 72,125,279.53/9,660.05
  6. Step 6: Final answer
    x = 7,466.35

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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.