Home / 4,972.80-6,856.02-3,558.72

Finding the Fourth Proportional to 4,972.80, 6,856.02 and 3,558.72

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Solution

The fourth proportional to 4,972.80, 6,856.02 and 3,558.72 is: 4,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.80 : 6,856.02 = 3,558.72 : x
  2. Step 2: Convert to fraction form
    4,972.80/6,856.02 = 3,558.72/x
  3. Step 3: Cross multiply
    4,972.80x = 6,856.02 × 3,558.72
  4. Step 4: Simplify right side
    4,972.80x = 24,398,655.49
  5. Step 5: Solve for x
    x = 24,398,655.49/4,972.80
  6. Step 6: Final answer
    x = 4,906.42

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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.