Home / 4,926.59-7,389.95-1,639.69

Finding the Fourth Proportional to 4,926.59, 7,389.95 and 1,639.69

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Solution

The fourth proportional to 4,926.59, 7,389.95 and 1,639.69 is: 2,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.59 : 7,389.95 = 1,639.69 : x
  2. Step 2: Convert to fraction form
    4,926.59/7,389.95 = 1,639.69/x
  3. Step 3: Cross multiply
    4,926.59x = 7,389.95 × 1,639.69
  4. Step 4: Simplify right side
    4,926.59x = 12,117,251.23
  5. Step 5: Solve for x
    x = 12,117,251.23/4,926.59
  6. Step 6: Final answer
    x = 2,459.56

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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.