Home / 8,900.51-13,350.96-4,219.38

Finding the Fourth Proportional to 8,900.51, 13,350.96 and 4,219.38

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Solution

The fourth proportional to 8,900.51, 13,350.96 and 4,219.38 is: 6,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.51 : 13,350.96 = 4,219.38 : x
  2. Step 2: Convert to fraction form
    8,900.51/13,350.96 = 4,219.38/x
  3. Step 3: Cross multiply
    8,900.51x = 13,350.96 × 4,219.38
  4. Step 4: Simplify right side
    8,900.51x = 56,332,773.60
  5. Step 5: Solve for x
    x = 56,332,773.60/8,900.51
  6. Step 6: Final answer
    x = 6,329.17

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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.