Home / 4,931.92-6,806.16-2,807.56

Finding the Fourth Proportional to 4,931.92, 6,806.16 and 2,807.56

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Solution

The fourth proportional to 4,931.92, 6,806.16 and 2,807.56 is: 3,874.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.92 : 6,806.16 = 2,807.56 : x
  2. Step 2: Convert to fraction form
    4,931.92/6,806.16 = 2,807.56/x
  3. Step 3: Cross multiply
    4,931.92x = 6,806.16 × 2,807.56
  4. Step 4: Simplify right side
    4,931.92x = 19,108,702.57
  5. Step 5: Solve for x
    x = 19,108,702.57/4,931.92
  6. Step 6: Final answer
    x = 3,874.50

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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.