Home / 5,220.60-7,828.02-4,605.72

Finding the Fourth Proportional to 5,220.60, 7,828.02 and 4,605.72

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Solution

The fourth proportional to 5,220.60, 7,828.02 and 4,605.72 is: 6,906.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220.60 : 7,828.02 = 4,605.72 : x
  2. Step 2: Convert to fraction form
    5,220.60/7,828.02 = 4,605.72/x
  3. Step 3: Cross multiply
    5,220.60x = 7,828.02 × 4,605.72
  4. Step 4: Simplify right side
    5,220.60x = 36,053,668.27
  5. Step 5: Solve for x
    x = 36,053,668.27/5,220.60
  6. Step 6: Final answer
    x = 6,906.04

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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.