Home / 5,576.32-8,364.28-1,878.46

Finding the Fourth Proportional to 5,576.32, 8,364.28 and 1,878.46

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Solution

The fourth proportional to 5,576.32, 8,364.28 and 1,878.46 is: 2,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.32 : 8,364.28 = 1,878.46 : x
  2. Step 2: Convert to fraction form
    5,576.32/8,364.28 = 1,878.46/x
  3. Step 3: Cross multiply
    5,576.32x = 8,364.28 × 1,878.46
  4. Step 4: Simplify right side
    5,576.32x = 15,711,965.41
  5. Step 5: Solve for x
    x = 15,711,965.41/5,576.32
  6. Step 6: Final answer
    x = 2,817.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.