Home / 6,213.29-8,574.95-4,638.65

Finding the Fourth Proportional to 6,213.29, 8,574.95 and 4,638.65

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Solution

The fourth proportional to 6,213.29, 8,574.95 and 4,638.65 is: 6,401.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213.29 : 8,574.95 = 4,638.65 : x
  2. Step 2: Convert to fraction form
    6,213.29/8,574.95 = 4,638.65/x
  3. Step 3: Cross multiply
    6,213.29x = 8,574.95 × 4,638.65
  4. Step 4: Simplify right side
    6,213.29x = 39,776,168.62
  5. Step 5: Solve for x
    x = 39,776,168.62/6,213.29
  6. Step 6: Final answer
    x = 6,401.79

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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.