Home / 8,890.10-13,332.06-4,947.35

Finding the Fourth Proportional to 8,890.10, 13,332.06 and 4,947.35

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Solution

The fourth proportional to 8,890.10, 13,332.06 and 4,947.35 is: 7,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.10 : 13,332.06 = 4,947.35 : x
  2. Step 2: Convert to fraction form
    8,890.10/13,332.06 = 4,947.35/x
  3. Step 3: Cross multiply
    8,890.10x = 13,332.06 × 4,947.35
  4. Step 4: Simplify right side
    8,890.10x = 65,958,367.04
  5. Step 5: Solve for x
    x = 65,958,367.04/8,890.10
  6. Step 6: Final answer
    x = 7,419.31

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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.