Home / 5,007.36-7,511.49-1,309.58

Finding the Fourth Proportional to 5,007.36, 7,511.49 and 1,309.58

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Solution

The fourth proportional to 5,007.36, 7,511.49 and 1,309.58 is: 1,964.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.36 : 7,511.49 = 1,309.58 : x
  2. Step 2: Convert to fraction form
    5,007.36/7,511.49 = 1,309.58/x
  3. Step 3: Cross multiply
    5,007.36x = 7,511.49 × 1,309.58
  4. Step 4: Simplify right side
    5,007.36x = 9,836,887.68
  5. Step 5: Solve for x
    x = 9,836,887.68/5,007.36
  6. Step 6: Final answer
    x = 1,964.48

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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.