Home / 6,434.04-8,878.08-3,782.88

Finding the Fourth Proportional to 6,434.04, 8,878.08 and 3,782.88

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Solution

The fourth proportional to 6,434.04, 8,878.08 and 3,782.88 is: 5,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.04 : 8,878.08 = 3,782.88 : x
  2. Step 2: Convert to fraction form
    6,434.04/8,878.08 = 3,782.88/x
  3. Step 3: Cross multiply
    6,434.04x = 8,878.08 × 3,782.88
  4. Step 4: Simplify right side
    6,434.04x = 33,584,711.27
  5. Step 5: Solve for x
    x = 33,584,711.27/6,434.04
  6. Step 6: Final answer
    x = 5,219.85

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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.