Home / 6,763.02-9,331.88-3,778.70

Finding the Fourth Proportional to 6,763.02, 9,331.88 and 3,778.70

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Solution

The fourth proportional to 6,763.02, 9,331.88 and 3,778.70 is: 5,214.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.02 : 9,331.88 = 3,778.70 : x
  2. Step 2: Convert to fraction form
    6,763.02/9,331.88 = 3,778.70/x
  3. Step 3: Cross multiply
    6,763.02x = 9,331.88 × 3,778.70
  4. Step 4: Simplify right side
    6,763.02x = 35,262,374.96
  5. Step 5: Solve for x
    x = 35,262,374.96/6,763.02
  6. Step 6: Final answer
    x = 5,214.00

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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.