Home / 6,670.28-9,205.01-3,645.44

Finding the Fourth Proportional to 6,670.28, 9,205.01 and 3,645.44

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Solution

The fourth proportional to 6,670.28, 9,205.01 and 3,645.44 is: 5,030.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.28 : 9,205.01 = 3,645.44 : x
  2. Step 2: Convert to fraction form
    6,670.28/9,205.01 = 3,645.44/x
  3. Step 3: Cross multiply
    6,670.28x = 9,205.01 × 3,645.44
  4. Step 4: Simplify right side
    6,670.28x = 33,556,295.59
  5. Step 5: Solve for x
    x = 33,556,295.59/6,670.28
  6. Step 6: Final answer
    x = 5,030.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.