Home / 5,114.82-7,670.70-1,827.18

Finding the Fourth Proportional to 5,114.82, 7,670.70 and 1,827.18

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Solution

The fourth proportional to 5,114.82, 7,670.70 and 1,827.18 is: 2,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,114.82 : 7,670.70 = 1,827.18 : x
  2. Step 2: Convert to fraction form
    5,114.82/7,670.70 = 1,827.18/x
  3. Step 3: Cross multiply
    5,114.82x = 7,670.70 × 1,827.18
  4. Step 4: Simplify right side
    5,114.82x = 14,015,749.63
  5. Step 5: Solve for x
    x = 14,015,749.63/5,114.82
  6. Step 6: Final answer
    x = 2,740.22

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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.