Home / 6,342.98-8,756.36-4,222.04

Finding the Fourth Proportional to 6,342.98, 8,756.36 and 4,222.04

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Solution

The fourth proportional to 6,342.98, 8,756.36 and 4,222.04 is: 5,828.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.98 : 8,756.36 = 4,222.04 : x
  2. Step 2: Convert to fraction form
    6,342.98/8,756.36 = 4,222.04/x
  3. Step 3: Cross multiply
    6,342.98x = 8,756.36 × 4,222.04
  4. Step 4: Simplify right side
    6,342.98x = 36,969,702.17
  5. Step 5: Solve for x
    x = 36,969,702.17/6,342.98
  6. Step 6: Final answer
    x = 5,828.44

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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.