Home / 6,888.25-10,328.93-3,187.31

Finding the Fourth Proportional to 6,888.25, 10,328.93 and 3,187.31

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Solution

The fourth proportional to 6,888.25, 10,328.93 and 3,187.31 is: 4,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.25 : 10,328.93 = 3,187.31 : x
  2. Step 2: Convert to fraction form
    6,888.25/10,328.93 = 3,187.31/x
  3. Step 3: Cross multiply
    6,888.25x = 10,328.93 × 3,187.31
  4. Step 4: Simplify right side
    6,888.25x = 32,921,446.25
  5. Step 5: Solve for x
    x = 32,921,446.25/6,888.25
  6. Step 6: Final answer
    x = 4,779.36

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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.