Home / 5,007.08-7,511.05-1,309.31

Finding the Fourth Proportional to 5,007.08, 7,511.05 and 1,309.31

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Solution

The fourth proportional to 5,007.08, 7,511.05 and 1,309.31 is: 1,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,007.08 : 7,511.05 = 1,309.31 : x
  2. Step 2: Convert to fraction form
    5,007.08/7,511.05 = 1,309.31/x
  3. Step 3: Cross multiply
    5,007.08x = 7,511.05 × 1,309.31
  4. Step 4: Simplify right side
    5,007.08x = 9,834,267.68
  5. Step 5: Solve for x
    x = 9,834,267.68/5,007.08
  6. Step 6: Final answer
    x = 1,964.07

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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.