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Finding the Fourth Proportional to 4,405.95, 6,571.95 and 4,047.75

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Solution

The fourth proportional to 4,405.95, 6,571.95 and 4,047.75 is: 6,037.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,405.95 : 6,571.95 = 4,047.75 : x
  2. Step 2: Convert to fraction form
    4,405.95/6,571.95 = 4,047.75/x
  3. Step 3: Cross multiply
    4,405.95x = 6,571.95 × 4,047.75
  4. Step 4: Simplify right side
    4,405.95x = 26,601,610.61
  5. Step 5: Solve for x
    x = 26,601,610.61/4,405.95
  6. Step 6: Final answer
    x = 6,037.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.