Home / 6,239.79-8,610.84-3,587.22

Finding the Fourth Proportional to 6,239.79, 8,610.84 and 3,587.22

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Solution

The fourth proportional to 6,239.79, 8,610.84 and 3,587.22 is: 4,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,239.79 : 8,610.84 = 3,587.22 : x
  2. Step 2: Convert to fraction form
    6,239.79/8,610.84 = 3,587.22/x
  3. Step 3: Cross multiply
    6,239.79x = 8,610.84 × 3,587.22
  4. Step 4: Simplify right side
    6,239.79x = 30,888,977.46
  5. Step 5: Solve for x
    x = 30,888,977.46/6,239.79
  6. Step 6: Final answer
    x = 4,950.32

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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.