Home / 4,887.04-7,332.24-1,424.80

Finding the Fourth Proportional to 4,887.04, 7,332.24 and 1,424.80

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Solution

The fourth proportional to 4,887.04, 7,332.24 and 1,424.80 is: 2,137.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.04 : 7,332.24 = 1,424.80 : x
  2. Step 2: Convert to fraction form
    4,887.04/7,332.24 = 1,424.80/x
  3. Step 3: Cross multiply
    4,887.04x = 7,332.24 × 1,424.80
  4. Step 4: Simplify right side
    4,887.04x = 10,446,975.55
  5. Step 5: Solve for x
    x = 10,446,975.55/4,887.04
  6. Step 6: Final answer
    x = 2,137.69

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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.