Home / 5,376.84-8,061.18-2,778.12

Finding the Fourth Proportional to 5,376.84, 8,061.18 and 2,778.12

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Solution

The fourth proportional to 5,376.84, 8,061.18 and 2,778.12 is: 4,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.84 : 8,061.18 = 2,778.12 : x
  2. Step 2: Convert to fraction form
    5,376.84/8,061.18 = 2,778.12/x
  3. Step 3: Cross multiply
    5,376.84x = 8,061.18 × 2,778.12
  4. Step 4: Simplify right side
    5,376.84x = 22,394,925.38
  5. Step 5: Solve for x
    x = 22,394,925.38/5,376.84
  6. Step 6: Final answer
    x = 4,165.07

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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.