Home / 6,840.15-9,442.88-4,324.84

Finding the Fourth Proportional to 6,840.15, 9,442.88 and 4,324.84

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Solution

The fourth proportional to 6,840.15, 9,442.88 and 4,324.84 is: 5,970.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.15 : 9,442.88 = 4,324.84 : x
  2. Step 2: Convert to fraction form
    6,840.15/9,442.88 = 4,324.84/x
  3. Step 3: Cross multiply
    6,840.15x = 9,442.88 × 4,324.84
  4. Step 4: Simplify right side
    6,840.15x = 40,838,969.24
  5. Step 5: Solve for x
    x = 40,838,969.24/6,840.15
  6. Step 6: Final answer
    x = 5,970.48

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Half scale
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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.