Home / 4,926.18-7,390.35-1,639.74

Finding the Fourth Proportional to 4,926.18, 7,390.35 and 1,639.74

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Solution

The fourth proportional to 4,926.18, 7,390.35 and 1,639.74 is: 2,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,926.18 : 7,390.35 = 1,639.74 : x
  2. Step 2: Convert to fraction form
    4,926.18/7,390.35 = 1,639.74/x
  3. Step 3: Cross multiply
    4,926.18x = 7,390.35 × 1,639.74
  4. Step 4: Simplify right side
    4,926.18x = 12,118,252.51
  5. Step 5: Solve for x
    x = 12,118,252.51/4,926.18
  6. Step 6: Final answer
    x = 2,459.97

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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.