Home / 4,912.26-7,366.08-1,988.34

Finding the Fourth Proportional to 4,912.26, 7,366.08 and 1,988.34

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Solution

The fourth proportional to 4,912.26, 7,366.08 and 1,988.34 is: 2,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 7,366.08 = 1,988.34 : x
  2. Step 2: Convert to fraction form
    4,912.26/7,366.08 = 1,988.34/x
  3. Step 3: Cross multiply
    4,912.26x = 7,366.08 × 1,988.34
  4. Step 4: Simplify right side
    4,912.26x = 14,646,271.51
  5. Step 5: Solve for x
    x = 14,646,271.51/4,912.26
  6. Step 6: Final answer
    x = 2,981.57

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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.