Home / 8,485.02-11,705.49-5,501.61

Finding the Fourth Proportional to 8,485.02, 11,705.49 and 5,501.61

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Solution

The fourth proportional to 8,485.02, 11,705.49 and 5,501.61 is: 7,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,485.02 : 11,705.49 = 5,501.61 : x
  2. Step 2: Convert to fraction form
    8,485.02/11,705.49 = 5,501.61/x
  3. Step 3: Cross multiply
    8,485.02x = 11,705.49 × 5,501.61
  4. Step 4: Simplify right side
    8,485.02x = 64,399,040.84
  5. Step 5: Solve for x
    x = 64,399,040.84/8,485.02
  6. Step 6: Final answer
    x = 7,589.73

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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.