Home / 7,308.36-10,959.12-3,148.20

Finding the Fourth Proportional to 7,308.36, 10,959.12 and 3,148.20

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Solution

The fourth proportional to 7,308.36, 10,959.12 and 3,148.20 is: 4,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,308.36 : 10,959.12 = 3,148.20 : x
  2. Step 2: Convert to fraction form
    7,308.36/10,959.12 = 3,148.20/x
  3. Step 3: Cross multiply
    7,308.36x = 10,959.12 × 3,148.20
  4. Step 4: Simplify right side
    7,308.36x = 34,501,501.58
  5. Step 5: Solve for x
    x = 34,501,501.58/7,308.36
  6. Step 6: Final answer
    x = 4,720.83

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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.