Home / 5,642.90-8,464.59-1,747.34

Finding the Fourth Proportional to 5,642.90, 8,464.59 and 1,747.34

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Solution

The fourth proportional to 5,642.90, 8,464.59 and 1,747.34 is: 2,621.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.90 : 8,464.59 = 1,747.34 : x
  2. Step 2: Convert to fraction form
    5,642.90/8,464.59 = 1,747.34/x
  3. Step 3: Cross multiply
    5,642.90x = 8,464.59 × 1,747.34
  4. Step 4: Simplify right side
    5,642.90x = 14,790,516.69
  5. Step 5: Solve for x
    x = 14,790,516.69/5,642.90
  6. Step 6: Final answer
    x = 2,621.08

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Similar ratio
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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.