Home / 7,686.60-10,603.62-5,917.56

Finding the Fourth Proportional to 7,686.60, 10,603.62 and 5,917.56

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Solution

The fourth proportional to 7,686.60, 10,603.62 and 5,917.56 is: 8,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.60 : 10,603.62 = 5,917.56 : x
  2. Step 2: Convert to fraction form
    7,686.60/10,603.62 = 5,917.56/x
  3. Step 3: Cross multiply
    7,686.60x = 10,603.62 × 5,917.56
  4. Step 4: Simplify right side
    7,686.60x = 62,747,557.57
  5. Step 5: Solve for x
    x = 62,747,557.57/7,686.60
  6. Step 6: Final answer
    x = 8,163.24

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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.