Home / 7,001.72-10,499.81-3,490.55

Finding the Fourth Proportional to 7,001.72, 10,499.81 and 3,490.55

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Solution

The fourth proportional to 7,001.72, 10,499.81 and 3,490.55 is: 5,234.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,001.72 : 10,499.81 = 3,490.55 : x
  2. Step 2: Convert to fraction form
    7,001.72/10,499.81 = 3,490.55/x
  3. Step 3: Cross multiply
    7,001.72x = 10,499.81 × 3,490.55
  4. Step 4: Simplify right side
    7,001.72x = 36,650,041.84
  5. Step 5: Solve for x
    x = 36,650,041.84/7,001.72
  6. Step 6: Final answer
    x = 5,234.44

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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.