Home / 5,011.81-6,915.93-2,773.18

Finding the Fourth Proportional to 5,011.81, 6,915.93 and 2,773.18

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Solution

The fourth proportional to 5,011.81, 6,915.93 and 2,773.18 is: 3,826.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,011.81 : 6,915.93 = 2,773.18 : x
  2. Step 2: Convert to fraction form
    5,011.81/6,915.93 = 2,773.18/x
  3. Step 3: Cross multiply
    5,011.81x = 6,915.93 × 2,773.18
  4. Step 4: Simplify right side
    5,011.81x = 19,179,118.76
  5. Step 5: Solve for x
    x = 19,179,118.76/5,011.81
  6. Step 6: Final answer
    x = 3,826.78

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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.