Home / 6,110.08-8,431.20-3,421.45

Finding the Fourth Proportional to 6,110.08, 8,431.20 and 3,421.45

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Solution

The fourth proportional to 6,110.08, 8,431.20 and 3,421.45 is: 4,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,110.08 : 8,431.20 = 3,421.45 : x
  2. Step 2: Convert to fraction form
    6,110.08/8,431.20 = 3,421.45/x
  3. Step 3: Cross multiply
    6,110.08x = 8,431.20 × 3,421.45
  4. Step 4: Simplify right side
    6,110.08x = 28,846,929.24
  5. Step 5: Solve for x
    x = 28,846,929.24/6,110.08
  6. Step 6: Final answer
    x = 4,721.20

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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.