Home / 6,888.48-10,328.12-3,558.76

Finding the Fourth Proportional to 6,888.48, 10,328.12 and 3,558.76

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Solution

The fourth proportional to 6,888.48, 10,328.12 and 3,558.76 is: 5,335.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.48 : 10,328.12 = 3,558.76 : x
  2. Step 2: Convert to fraction form
    6,888.48/10,328.12 = 3,558.76/x
  3. Step 3: Cross multiply
    6,888.48x = 10,328.12 × 3,558.76
  4. Step 4: Simplify right side
    6,888.48x = 36,755,300.33
  5. Step 5: Solve for x
    x = 36,755,300.33/6,888.48
  6. Step 6: Final answer
    x = 5,335.76

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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.