Home / 4,220.10-6,328.33-3,246.89

Finding the Fourth Proportional to 4,220.10, 6,328.33 and 3,246.89

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Solution

The fourth proportional to 4,220.10, 6,328.33 and 3,246.89 is: 4,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.10 : 6,328.33 = 3,246.89 : x
  2. Step 2: Convert to fraction form
    4,220.10/6,328.33 = 3,246.89/x
  3. Step 3: Cross multiply
    4,220.10x = 6,328.33 × 3,246.89
  4. Step 4: Simplify right side
    4,220.10x = 20,547,351.63
  5. Step 5: Solve for x
    x = 20,547,351.63/4,220.10
  6. Step 6: Final answer
    x = 4,868.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.