Home / 5,204.70-7,182.18-2,846.70

Finding the Fourth Proportional to 5,204.70, 7,182.18 and 2,846.70

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Solution

The fourth proportional to 5,204.70, 7,182.18 and 2,846.70 is: 3,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,204.70 : 7,182.18 = 2,846.70 : x
  2. Step 2: Convert to fraction form
    5,204.70/7,182.18 = 2,846.70/x
  3. Step 3: Cross multiply
    5,204.70x = 7,182.18 × 2,846.70
  4. Step 4: Simplify right side
    5,204.70x = 20,445,511.81
  5. Step 5: Solve for x
    x = 20,445,511.81/5,204.70
  6. Step 6: Final answer
    x = 3,928.28

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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.