Home / 4,812.20-7,219.70-2,037.52

Finding the Fourth Proportional to 4,812.20, 7,219.70 and 2,037.52

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Solution

The fourth proportional to 4,812.20, 7,219.70 and 2,037.52 is: 3,056.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.20 : 7,219.70 = 2,037.52 : x
  2. Step 2: Convert to fraction form
    4,812.20/7,219.70 = 2,037.52/x
  3. Step 3: Cross multiply
    4,812.20x = 7,219.70 × 2,037.52
  4. Step 4: Simplify right side
    4,812.20x = 14,710,283.14
  5. Step 5: Solve for x
    x = 14,710,283.14/4,812.20
  6. Step 6: Final answer
    x = 3,056.87

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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.