Home / 4,807.20-7,210.64-1,475.44

Finding the Fourth Proportional to 4,807.20, 7,210.64 and 1,475.44

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Solution

The fourth proportional to 4,807.20, 7,210.64 and 1,475.44 is: 2,213.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.20 : 7,210.64 = 1,475.44 : x
  2. Step 2: Convert to fraction form
    4,807.20/7,210.64 = 1,475.44/x
  3. Step 3: Cross multiply
    4,807.20x = 7,210.64 × 1,475.44
  4. Step 4: Simplify right side
    4,807.20x = 10,638,866.68
  5. Step 5: Solve for x
    x = 10,638,866.68/4,807.20
  6. Step 6: Final answer
    x = 2,213.11

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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.