Home / 8,529.61-11,775.74-5,701.79

Finding the Fourth Proportional to 8,529.61, 11,775.74 and 5,701.79

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Solution

The fourth proportional to 8,529.61, 11,775.74 and 5,701.79 is: 7,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.61 : 11,775.74 = 5,701.79 : x
  2. Step 2: Convert to fraction form
    8,529.61/11,775.74 = 5,701.79/x
  3. Step 3: Cross multiply
    8,529.61x = 11,775.74 × 5,701.79
  4. Step 4: Simplify right side
    8,529.61x = 67,142,796.57
  5. Step 5: Solve for x
    x = 67,142,796.57/8,529.61
  6. Step 6: Final answer
    x = 7,871.73

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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.