Home / 8,922.36-13,379.40-4,761.24

Finding the Fourth Proportional to 8,922.36, 13,379.40 and 4,761.24

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Solution

The fourth proportional to 8,922.36, 13,379.40 and 4,761.24 is: 7,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,922.36 : 13,379.40 = 4,761.24 : x
  2. Step 2: Convert to fraction form
    8,922.36/13,379.40 = 4,761.24/x
  3. Step 3: Cross multiply
    8,922.36x = 13,379.40 × 4,761.24
  4. Step 4: Simplify right side
    8,922.36x = 63,702,534.46
  5. Step 5: Solve for x
    x = 63,702,534.46/8,922.36
  6. Step 6: Final answer
    x = 7,139.65

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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.