Home / 4,548.56-6,822.86-1,428.35

Finding the Fourth Proportional to 4,548.56, 6,822.86 and 1,428.35

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Solution

The fourth proportional to 4,548.56, 6,822.86 and 1,428.35 is: 2,142.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,548.56 : 6,822.86 = 1,428.35 : x
  2. Step 2: Convert to fraction form
    4,548.56/6,822.86 = 1,428.35/x
  3. Step 3: Cross multiply
    4,548.56x = 6,822.86 × 1,428.35
  4. Step 4: Simplify right side
    4,548.56x = 9,745,390.82
  5. Step 5: Solve for x
    x = 9,745,390.82/4,548.56
  6. Step 6: Final answer
    x = 2,142.52

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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.