Home / 7,515.48-11,275.77-3,358.36

Finding the Fourth Proportional to 7,515.48, 11,275.77 and 3,358.36

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Solution

The fourth proportional to 7,515.48, 11,275.77 and 3,358.36 is: 5,038.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.48 : 11,275.77 = 3,358.36 : x
  2. Step 2: Convert to fraction form
    7,515.48/11,275.77 = 3,358.36/x
  3. Step 3: Cross multiply
    7,515.48x = 11,275.77 × 3,358.36
  4. Step 4: Simplify right side
    7,515.48x = 37,868,121.63
  5. Step 5: Solve for x
    x = 37,868,121.63/7,515.48
  6. Step 6: Final answer
    x = 5,038.68

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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.