Home / 4,918.16-7,376.63-1,993.66

Finding the Fourth Proportional to 4,918.16, 7,376.63 and 1,993.66

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Solution

The fourth proportional to 4,918.16, 7,376.63 and 1,993.66 is: 2,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.16 : 7,376.63 = 1,993.66 : x
  2. Step 2: Convert to fraction form
    4,918.16/7,376.63 = 1,993.66/x
  3. Step 3: Cross multiply
    4,918.16x = 7,376.63 × 1,993.66
  4. Step 4: Simplify right side
    4,918.16x = 14,706,478.71
  5. Step 5: Solve for x
    x = 14,706,478.71/4,918.16
  6. Step 6: Final answer
    x = 2,990.24

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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.