Home / 8,235.78-11,366.33-4,699.50

Finding the Fourth Proportional to 8,235.78, 11,366.33 and 4,699.50

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Solution

The fourth proportional to 8,235.78, 11,366.33 and 4,699.50 is: 6,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,235.78 : 11,366.33 = 4,699.50 : x
  2. Step 2: Convert to fraction form
    8,235.78/11,366.33 = 4,699.50/x
  3. Step 3: Cross multiply
    8,235.78x = 11,366.33 × 4,699.50
  4. Step 4: Simplify right side
    8,235.78x = 53,416,044.34
  5. Step 5: Solve for x
    x = 53,416,044.34/8,235.78
  6. Step 6: Final answer
    x = 6,485.85

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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.