Home / 8,012.40-11,056.77-4,475.55

Finding the Fourth Proportional to 8,012.40, 11,056.77 and 4,475.55

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Solution

The fourth proportional to 8,012.40, 11,056.77 and 4,475.55 is: 6,176.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.40 : 11,056.77 = 4,475.55 : x
  2. Step 2: Convert to fraction form
    8,012.40/11,056.77 = 4,475.55/x
  3. Step 3: Cross multiply
    8,012.40x = 11,056.77 × 4,475.55
  4. Step 4: Simplify right side
    8,012.40x = 49,485,126.97
  5. Step 5: Solve for x
    x = 49,485,126.97/8,012.40
  6. Step 6: Final answer
    x = 6,176.07

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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.