Home / 6,990.72-10,479.60-2,370.48

Finding the Fourth Proportional to 6,990.72, 10,479.60 and 2,370.48

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Solution

The fourth proportional to 6,990.72, 10,479.60 and 2,370.48 is: 3,553.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.72 : 10,479.60 = 2,370.48 : x
  2. Step 2: Convert to fraction form
    6,990.72/10,479.60 = 2,370.48/x
  3. Step 3: Cross multiply
    6,990.72x = 10,479.60 × 2,370.48
  4. Step 4: Simplify right side
    6,990.72x = 24,841,682.21
  5. Step 5: Solve for x
    x = 24,841,682.21/6,990.72
  6. Step 6: Final answer
    x = 3,553.52

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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.