Home / 4,385.74-6,578.46-1,098.86

Finding the Fourth Proportional to 4,385.74, 6,578.46 and 1,098.86

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Solution

The fourth proportional to 4,385.74, 6,578.46 and 1,098.86 is: 1,648.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.74 : 6,578.46 = 1,098.86 : x
  2. Step 2: Convert to fraction form
    4,385.74/6,578.46 = 1,098.86/x
  3. Step 3: Cross multiply
    4,385.74x = 6,578.46 × 1,098.86
  4. Step 4: Simplify right side
    4,385.74x = 7,228,801.06
  5. Step 5: Solve for x
    x = 7,228,801.06/4,385.74
  6. Step 6: Final answer
    x = 1,648.25

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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.