Home / 4,228.61-6,343.11-1,108.69

Finding the Fourth Proportional to 4,228.61, 6,343.11 and 1,108.69

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Solution

The fourth proportional to 4,228.61, 6,343.11 and 1,108.69 is: 1,663.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.61 : 6,343.11 = 1,108.69 : x
  2. Step 2: Convert to fraction form
    4,228.61/6,343.11 = 1,108.69/x
  3. Step 3: Cross multiply
    4,228.61x = 6,343.11 × 1,108.69
  4. Step 4: Simplify right side
    4,228.61x = 7,032,526.77
  5. Step 5: Solve for x
    x = 7,032,526.77/4,228.61
  6. Step 6: Final answer
    x = 1,663.08

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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.