Home / 6,262.67-8,640.53-3,609.72

Finding the Fourth Proportional to 6,262.67, 8,640.53 and 3,609.72

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Solution

The fourth proportional to 6,262.67, 8,640.53 and 3,609.72 is: 4,980.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.67 : 8,640.53 = 3,609.72 : x
  2. Step 2: Convert to fraction form
    6,262.67/8,640.53 = 3,609.72/x
  3. Step 3: Cross multiply
    6,262.67x = 8,640.53 × 3,609.72
  4. Step 4: Simplify right side
    6,262.67x = 31,189,875.90
  5. Step 5: Solve for x
    x = 31,189,875.90/6,262.67
  6. Step 6: Final answer
    x = 4,980.28

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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.