Home / 8,685.51-13,029.48-2,840.96

Finding the Fourth Proportional to 8,685.51, 13,029.48 and 2,840.96

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Solution

The fourth proportional to 8,685.51, 13,029.48 and 2,840.96 is: 4,261.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,685.51 : 13,029.48 = 2,840.96 : x
  2. Step 2: Convert to fraction form
    8,685.51/13,029.48 = 2,840.96/x
  3. Step 3: Cross multiply
    8,685.51x = 13,029.48 × 2,840.96
  4. Step 4: Simplify right side
    8,685.51x = 37,016,231.50
  5. Step 5: Solve for x
    x = 37,016,231.50/8,685.51
  6. Step 6: Final answer
    x = 4,261.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.