Home / 4,315.74-6,472.21-1,393.36

Finding the Fourth Proportional to 4,315.74, 6,472.21 and 1,393.36

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Solution

The fourth proportional to 4,315.74, 6,472.21 and 1,393.36 is: 2,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.74 : 6,472.21 = 1,393.36 : x
  2. Step 2: Convert to fraction form
    4,315.74/6,472.21 = 1,393.36/x
  3. Step 3: Cross multiply
    4,315.74x = 6,472.21 × 1,393.36
  4. Step 4: Simplify right side
    4,315.74x = 9,018,118.53
  5. Step 5: Solve for x
    x = 9,018,118.53/4,315.74
  6. Step 6: Final answer
    x = 2,089.59

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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.