Home / 8,296.98-12,432.51-5,212.50

Finding the Fourth Proportional to 8,296.98, 12,432.51 and 5,212.50

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Solution

The fourth proportional to 8,296.98, 12,432.51 and 5,212.50 is: 7,810.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.98 : 12,432.51 = 5,212.50 : x
  2. Step 2: Convert to fraction form
    8,296.98/12,432.51 = 5,212.50/x
  3. Step 3: Cross multiply
    8,296.98x = 12,432.51 × 5,212.50
  4. Step 4: Simplify right side
    8,296.98x = 64,804,458.38
  5. Step 5: Solve for x
    x = 64,804,458.38/8,296.98
  6. Step 6: Final answer
    x = 7,810.61

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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.