Home / 6,290.53-8,670.85-4,273.36

Finding the Fourth Proportional to 6,290.53, 8,670.85 and 4,273.36

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Solution

The fourth proportional to 6,290.53, 8,670.85 and 4,273.36 is: 5,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.53 : 8,670.85 = 4,273.36 : x
  2. Step 2: Convert to fraction form
    6,290.53/8,670.85 = 4,273.36/x
  3. Step 3: Cross multiply
    6,290.53x = 8,670.85 × 4,273.36
  4. Step 4: Simplify right side
    6,290.53x = 37,053,631.20
  5. Step 5: Solve for x
    x = 37,053,631.20/6,290.53
  6. Step 6: Final answer
    x = 5,890.39

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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.