Home / 4,476.56-6,715.44-1,878.88

Finding the Fourth Proportional to 4,476.56, 6,715.44 and 1,878.88

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Solution

The fourth proportional to 4,476.56, 6,715.44 and 1,878.88 is: 2,818.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.56 : 6,715.44 = 1,878.88 : x
  2. Step 2: Convert to fraction form
    4,476.56/6,715.44 = 1,878.88/x
  3. Step 3: Cross multiply
    4,476.56x = 6,715.44 × 1,878.88
  4. Step 4: Simplify right side
    4,476.56x = 12,617,505.91
  5. Step 5: Solve for x
    x = 12,617,505.91/4,476.56
  6. Step 6: Final answer
    x = 2,818.57

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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.