Home / 5,663.30-8,490.11-2,151.34

Finding the Fourth Proportional to 5,663.30, 8,490.11 and 2,151.34

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Solution

The fourth proportional to 5,663.30, 8,490.11 and 2,151.34 is: 3,225.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,663.30 : 8,490.11 = 2,151.34 : x
  2. Step 2: Convert to fraction form
    5,663.30/8,490.11 = 2,151.34/x
  3. Step 3: Cross multiply
    5,663.30x = 8,490.11 × 2,151.34
  4. Step 4: Simplify right side
    5,663.30x = 18,265,113.25
  5. Step 5: Solve for x
    x = 18,265,113.25/5,663.30
  6. Step 6: Final answer
    x = 3,225.17

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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.