Home / 4,931.55-6,805.62-2,942.28

Finding the Fourth Proportional to 4,931.55, 6,805.62 and 2,942.28

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Solution

The fourth proportional to 4,931.55, 6,805.62 and 2,942.28 is: 4,060.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.55 : 6,805.62 = 2,942.28 : x
  2. Step 2: Convert to fraction form
    4,931.55/6,805.62 = 2,942.28/x
  3. Step 3: Cross multiply
    4,931.55x = 6,805.62 × 2,942.28
  4. Step 4: Simplify right side
    4,931.55x = 20,024,039.61
  5. Step 5: Solve for x
    x = 20,024,039.61/4,931.55
  6. Step 6: Final answer
    x = 4,060.39

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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.