Home / 6,290.70-8,672.58-4,609.14

Finding the Fourth Proportional to 6,290.70, 8,672.58 and 4,609.14

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Solution

The fourth proportional to 6,290.70, 8,672.58 and 4,609.14 is: 6,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.70 : 8,672.58 = 4,609.14 : x
  2. Step 2: Convert to fraction form
    6,290.70/8,672.58 = 4,609.14/x
  3. Step 3: Cross multiply
    6,290.70x = 8,672.58 × 4,609.14
  4. Step 4: Simplify right side
    6,290.70x = 39,973,135.38
  5. Step 5: Solve for x
    x = 39,973,135.38/6,290.70
  6. Step 6: Final answer
    x = 6,354.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.