Home / 5,705.78-7,877.58-4,376.94

Finding the Fourth Proportional to 5,705.78, 7,877.58 and 4,376.94

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Solution

The fourth proportional to 5,705.78, 7,877.58 and 4,376.94 is: 6,042.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,705.78 : 7,877.58 = 4,376.94 : x
  2. Step 2: Convert to fraction form
    5,705.78/7,877.58 = 4,376.94/x
  3. Step 3: Cross multiply
    5,705.78x = 7,877.58 × 4,376.94
  4. Step 4: Simplify right side
    5,705.78x = 34,479,695.01
  5. Step 5: Solve for x
    x = 34,479,695.01/5,705.78
  6. Step 6: Final answer
    x = 6,042.94

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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.