Home / 8,505.08-12,759.67-2,957.63

Finding the Fourth Proportional to 8,505.08, 12,759.67 and 2,957.63

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Solution

The fourth proportional to 8,505.08, 12,759.67 and 2,957.63 is: 4,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505.08 : 12,759.67 = 2,957.63 : x
  2. Step 2: Convert to fraction form
    8,505.08/12,759.67 = 2,957.63/x
  3. Step 3: Cross multiply
    8,505.08x = 12,759.67 × 2,957.63
  4. Step 4: Simplify right side
    8,505.08x = 37,738,382.78
  5. Step 5: Solve for x
    x = 37,738,382.78/8,505.08
  6. Step 6: Final answer
    x = 4,437.16

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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.