Home / 5,252.42-7,878.60-1,555.58

Finding the Fourth Proportional to 5,252.42, 7,878.60 and 1,555.58

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Solution

The fourth proportional to 5,252.42, 7,878.60 and 1,555.58 is: 2,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.42 : 7,878.60 = 1,555.58 : x
  2. Step 2: Convert to fraction form
    5,252.42/7,878.60 = 1,555.58/x
  3. Step 3: Cross multiply
    5,252.42x = 7,878.60 × 1,555.58
  4. Step 4: Simplify right side
    5,252.42x = 12,255,792.59
  5. Step 5: Solve for x
    x = 12,255,792.59/5,252.42
  6. Step 6: Final answer
    x = 2,333.36

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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.