Home / 4,807.41-7,212.39-1,520.56

Finding the Fourth Proportional to 4,807.41, 7,212.39 and 1,520.56

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Solution

The fourth proportional to 4,807.41, 7,212.39 and 1,520.56 is: 2,281.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.41 : 7,212.39 = 1,520.56 : x
  2. Step 2: Convert to fraction form
    4,807.41/7,212.39 = 1,520.56/x
  3. Step 3: Cross multiply
    4,807.41x = 7,212.39 × 1,520.56
  4. Step 4: Simplify right side
    4,807.41x = 10,966,871.74
  5. Step 5: Solve for x
    x = 10,966,871.74/4,807.41
  6. Step 6: Final answer
    x = 2,281.24

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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.