Home / 8,269.02-11,412.18-4,912.65

Finding the Fourth Proportional to 8,269.02, 11,412.18 and 4,912.65

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Solution

The fourth proportional to 8,269.02, 11,412.18 and 4,912.65 is: 6,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.02 : 11,412.18 = 4,912.65 : x
  2. Step 2: Convert to fraction form
    8,269.02/11,412.18 = 4,912.65/x
  3. Step 3: Cross multiply
    8,269.02x = 11,412.18 × 4,912.65
  4. Step 4: Simplify right side
    8,269.02x = 56,064,046.08
  5. Step 5: Solve for x
    x = 56,064,046.08/8,269.02
  6. Step 6: Final answer
    x = 6,780.01

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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.