Home / 8,159.90-11,261.31-4,623.98

Finding the Fourth Proportional to 8,159.90, 11,261.31 and 4,623.98

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Solution

The fourth proportional to 8,159.90, 11,261.31 and 4,623.98 is: 6,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.90 : 11,261.31 = 4,623.98 : x
  2. Step 2: Convert to fraction form
    8,159.90/11,261.31 = 4,623.98/x
  3. Step 3: Cross multiply
    8,159.90x = 11,261.31 × 4,623.98
  4. Step 4: Simplify right side
    8,159.90x = 52,072,072.21
  5. Step 5: Solve for x
    x = 52,072,072.21/8,159.90
  6. Step 6: Final answer
    x = 6,381.46

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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.