Home / 4,315.86-6,472.32-1,393.44

Finding the Fourth Proportional to 4,315.86, 6,472.32 and 1,393.44

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Solution

The fourth proportional to 4,315.86, 6,472.32 and 1,393.44 is: 2,089.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.86 : 6,472.32 = 1,393.44 : x
  2. Step 2: Convert to fraction form
    4,315.86/6,472.32 = 1,393.44/x
  3. Step 3: Cross multiply
    4,315.86x = 6,472.32 × 1,393.44
  4. Step 4: Simplify right side
    4,315.86x = 9,018,789.58
  5. Step 5: Solve for x
    x = 9,018,789.58/4,315.86
  6. Step 6: Final answer
    x = 2,089.69

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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.