Home / 8,947.20-13,420.32-4,564.48

Finding the Fourth Proportional to 8,947.20, 13,420.32 and 4,564.48

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Solution

The fourth proportional to 8,947.20, 13,420.32 and 4,564.48 is: 6,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.20 : 13,420.32 = 4,564.48 : x
  2. Step 2: Convert to fraction form
    8,947.20/13,420.32 = 4,564.48/x
  3. Step 3: Cross multiply
    8,947.20x = 13,420.32 × 4,564.48
  4. Step 4: Simplify right side
    8,947.20x = 61,256,782.23
  5. Step 5: Solve for x
    x = 61,256,782.23/8,947.20
  6. Step 6: Final answer
    x = 6,846.48

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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.