Home / 6,845.20-10,261.40-5,363.60

Finding the Fourth Proportional to 6,845.20, 10,261.40 and 5,363.60

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Solution

The fourth proportional to 6,845.20, 10,261.40 and 5,363.60 is: 8,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.20 : 10,261.40 = 5,363.60 : x
  2. Step 2: Convert to fraction form
    6,845.20/10,261.40 = 5,363.60/x
  3. Step 3: Cross multiply
    6,845.20x = 10,261.40 × 5,363.60
  4. Step 4: Simplify right side
    6,845.20x = 55,038,045.04
  5. Step 5: Solve for x
    x = 55,038,045.04/6,845.20
  6. Step 6: Final answer
    x = 8,040.39

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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.