Home / 4,931.91-6,807.56-2,837.43

Finding the Fourth Proportional to 4,931.91, 6,807.56 and 2,837.43

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Solution

The fourth proportional to 4,931.91, 6,807.56 and 2,837.43 is: 3,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.91 : 6,807.56 = 2,837.43 : x
  2. Step 2: Convert to fraction form
    4,931.91/6,807.56 = 2,837.43/x
  3. Step 3: Cross multiply
    4,931.91x = 6,807.56 × 2,837.43
  4. Step 4: Simplify right side
    4,931.91x = 19,315,960.78
  5. Step 5: Solve for x
    x = 19,315,960.78/4,931.91
  6. Step 6: Final answer
    x = 3,916.53

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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.