Home / 6,840.40-10,248.72-3,548.56

Finding the Fourth Proportional to 6,840.40, 10,248.72 and 3,548.56

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Solution

The fourth proportional to 6,840.40, 10,248.72 and 3,548.56 is: 5,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,840.40 : 10,248.72 = 3,548.56 : x
  2. Step 2: Convert to fraction form
    6,840.40/10,248.72 = 3,548.56/x
  3. Step 3: Cross multiply
    6,840.40x = 10,248.72 × 3,548.56
  4. Step 4: Simplify right side
    6,840.40x = 36,368,197.84
  5. Step 5: Solve for x
    x = 36,368,197.84/6,840.40
  6. Step 6: Final answer
    x = 5,316.68

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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.