Home / 5,625.69-8,429.28-1,925.88

Finding the Fourth Proportional to 5,625.69, 8,429.28 and 1,925.88

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Solution

The fourth proportional to 5,625.69, 8,429.28 and 1,925.88 is: 2,885.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,625.69 : 8,429.28 = 1,925.88 : x
  2. Step 2: Convert to fraction form
    5,625.69/8,429.28 = 1,925.88/x
  3. Step 3: Cross multiply
    5,625.69x = 8,429.28 × 1,925.88
  4. Step 4: Simplify right side
    5,625.69x = 16,233,781.77
  5. Step 5: Solve for x
    x = 16,233,781.77/5,625.69
  6. Step 6: Final answer
    x = 2,885.65

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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.