Home / 7,669.06-11,434.52-7,477.70

Finding the Fourth Proportional to 7,669.06, 11,434.52 and 7,477.70

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Solution

The fourth proportional to 7,669.06, 11,434.52 and 7,477.70 is: 11,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,669.06 : 11,434.52 = 7,477.70 : x
  2. Step 2: Convert to fraction form
    7,669.06/11,434.52 = 7,477.70/x
  3. Step 3: Cross multiply
    7,669.06x = 11,434.52 × 7,477.70
  4. Step 4: Simplify right side
    7,669.06x = 85,503,871.73
  5. Step 5: Solve for x
    x = 85,503,871.73/7,669.06
  6. Step 6: Final answer
    x = 11,149.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.