Home / 4,827.70-7,247.40-3,072.70

Finding the Fourth Proportional to 4,827.70, 7,247.40 and 3,072.70

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Solution

The fourth proportional to 4,827.70, 7,247.40 and 3,072.70 is: 4,612.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.70 : 7,247.40 = 3,072.70 : x
  2. Step 2: Convert to fraction form
    4,827.70/7,247.40 = 3,072.70/x
  3. Step 3: Cross multiply
    4,827.70x = 7,247.40 × 3,072.70
  4. Step 4: Simplify right side
    4,827.70x = 22,269,085.98
  5. Step 5: Solve for x
    x = 22,269,085.98/4,827.70
  6. Step 6: Final answer
    x = 4,612.77

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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.