Home / 5,192.60-7,778.10-4,328.60

Finding the Fourth Proportional to 5,192.60, 7,778.10 and 4,328.60

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Solution

The fourth proportional to 5,192.60, 7,778.10 and 4,328.60 is: 6,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.60 : 7,778.10 = 4,328.60 : x
  2. Step 2: Convert to fraction form
    5,192.60/7,778.10 = 4,328.60/x
  3. Step 3: Cross multiply
    5,192.60x = 7,778.10 × 4,328.60
  4. Step 4: Simplify right side
    5,192.60x = 33,668,283.66
  5. Step 5: Solve for x
    x = 33,668,283.66/5,192.60
  6. Step 6: Final answer
    x = 6,483.90

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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.