Home / 7,448.48-11,155.71-3,555.62

Finding the Fourth Proportional to 7,448.48, 11,155.71 and 3,555.62

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Solution

The fourth proportional to 7,448.48, 11,155.71 and 3,555.62 is: 5,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,448.48 : 11,155.71 = 3,555.62 : x
  2. Step 2: Convert to fraction form
    7,448.48/11,155.71 = 3,555.62/x
  3. Step 3: Cross multiply
    7,448.48x = 11,155.71 × 3,555.62
  4. Step 4: Simplify right side
    7,448.48x = 39,665,465.59
  5. Step 5: Solve for x
    x = 39,665,465.59/7,448.48
  6. Step 6: Final answer
    x = 5,325.31

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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.