Home / 8,335.08-11,493.63-5,185.80

Finding the Fourth Proportional to 8,335.08, 11,493.63 and 5,185.80

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Solution

The fourth proportional to 8,335.08, 11,493.63 and 5,185.80 is: 7,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,335.08 : 11,493.63 = 5,185.80 : x
  2. Step 2: Convert to fraction form
    8,335.08/11,493.63 = 5,185.80/x
  3. Step 3: Cross multiply
    8,335.08x = 11,493.63 × 5,185.80
  4. Step 4: Simplify right side
    8,335.08x = 59,603,666.45
  5. Step 5: Solve for x
    x = 59,603,666.45/8,335.08
  6. Step 6: Final answer
    x = 7,150.94

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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.