Home / 5,327.56-7,991.70-1,630.06

Finding the Fourth Proportional to 5,327.56, 7,991.70 and 1,630.06

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Solution

The fourth proportional to 5,327.56, 7,991.70 and 1,630.06 is: 2,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.56 : 7,991.70 = 1,630.06 : x
  2. Step 2: Convert to fraction form
    5,327.56/7,991.70 = 1,630.06/x
  3. Step 3: Cross multiply
    5,327.56x = 7,991.70 × 1,630.06
  4. Step 4: Simplify right side
    5,327.56x = 13,026,950.50
  5. Step 5: Solve for x
    x = 13,026,950.50/5,327.56
  6. Step 6: Final answer
    x = 2,445.20

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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.