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Finding the Fourth Proportional to 5,691.87, 7,858.83 and 4,750.10

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Solution

The fourth proportional to 5,691.87, 7,858.83 and 4,750.10 is: 6,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.87 : 7,858.83 = 4,750.10 : x
  2. Step 2: Convert to fraction form
    5,691.87/7,858.83 = 4,750.10/x
  3. Step 3: Cross multiply
    5,691.87x = 7,858.83 × 4,750.10
  4. Step 4: Simplify right side
    5,691.87x = 37,330,165.34
  5. Step 5: Solve for x
    x = 37,330,165.34/5,691.87
  6. Step 6: Final answer
    x = 6,558.51

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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.