Home / 6,119.61-8,437.60-5,173.77

Finding the Fourth Proportional to 6,119.61, 8,437.60 and 5,173.77

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Solution

The fourth proportional to 6,119.61, 8,437.60 and 5,173.77 is: 7,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,119.61 : 8,437.60 = 5,173.77 : x
  2. Step 2: Convert to fraction form
    6,119.61/8,437.60 = 5,173.77/x
  3. Step 3: Cross multiply
    6,119.61x = 8,437.60 × 5,173.77
  4. Step 4: Simplify right side
    6,119.61x = 43,654,201.75
  5. Step 5: Solve for x
    x = 43,654,201.75/6,119.61
  6. Step 6: Final answer
    x = 7,133.49

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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.