Home / 6,302.90-9,451.65-3,181.70

Finding the Fourth Proportional to 6,302.90, 9,451.65 and 3,181.70

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Solution

The fourth proportional to 6,302.90, 9,451.65 and 3,181.70 is: 4,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,302.90 : 9,451.65 = 3,181.70 : x
  2. Step 2: Convert to fraction form
    6,302.90/9,451.65 = 3,181.70/x
  3. Step 3: Cross multiply
    6,302.90x = 9,451.65 × 3,181.70
  4. Step 4: Simplify right side
    6,302.90x = 30,072,314.81
  5. Step 5: Solve for x
    x = 30,072,314.81/6,302.90
  6. Step 6: Final answer
    x = 4,771.19

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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.