Home / 6,102.29-8,421.15-3,307.79

Finding the Fourth Proportional to 6,102.29, 8,421.15 and 3,307.79

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Solution

The fourth proportional to 6,102.29, 8,421.15 and 3,307.79 is: 4,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.29 : 8,421.15 = 3,307.79 : x
  2. Step 2: Convert to fraction form
    6,102.29/8,421.15 = 3,307.79/x
  3. Step 3: Cross multiply
    6,102.29x = 8,421.15 × 3,307.79
  4. Step 4: Simplify right side
    6,102.29x = 27,855,353.65
  5. Step 5: Solve for x
    x = 27,855,353.65/6,102.29
  6. Step 6: Final answer
    x = 4,564.74

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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.