Home / 4,393.70-6,589.52-1,272.87

Finding the Fourth Proportional to 4,393.70, 6,589.52 and 1,272.87

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Solution

The fourth proportional to 4,393.70, 6,589.52 and 1,272.87 is: 1,909.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,393.70 : 6,589.52 = 1,272.87 : x
  2. Step 2: Convert to fraction form
    4,393.70/6,589.52 = 1,272.87/x
  3. Step 3: Cross multiply
    4,393.70x = 6,589.52 × 1,272.87
  4. Step 4: Simplify right side
    4,393.70x = 8,387,602.32
  5. Step 5: Solve for x
    x = 8,387,602.32/4,393.70
  6. Step 6: Final answer
    x = 1,909.01

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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.