Home / 8,200.05-11,315.64-4,663.04

Finding the Fourth Proportional to 8,200.05, 11,315.64 and 4,663.04

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Solution

The fourth proportional to 8,200.05, 11,315.64 and 4,663.04 is: 6,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.05 : 11,315.64 = 4,663.04 : x
  2. Step 2: Convert to fraction form
    8,200.05/11,315.64 = 4,663.04/x
  3. Step 3: Cross multiply
    8,200.05x = 11,315.64 × 4,663.04
  4. Step 4: Simplify right side
    8,200.05x = 52,765,225.37
  5. Step 5: Solve for x
    x = 52,765,225.37/8,200.05
  6. Step 6: Final answer
    x = 6,434.74

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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.