Home / 8,284.27-11,432.21-4,699.89

Finding the Fourth Proportional to 8,284.27, 11,432.21 and 4,699.89

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Solution

The fourth proportional to 8,284.27, 11,432.21 and 4,699.89 is: 6,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,284.27 : 11,432.21 = 4,699.89 : x
  2. Step 2: Convert to fraction form
    8,284.27/11,432.21 = 4,699.89/x
  3. Step 3: Cross multiply
    8,284.27x = 11,432.21 × 4,699.89
  4. Step 4: Simplify right side
    8,284.27x = 53,730,129.46
  5. Step 5: Solve for x
    x = 53,730,129.46/8,284.27
  6. Step 6: Final answer
    x = 6,485.80

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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.