Home / 5,263.66-7,888.65-2,140.03

Finding the Fourth Proportional to 5,263.66, 7,888.65 and 2,140.03

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Solution

The fourth proportional to 5,263.66, 7,888.65 and 2,140.03 is: 3,207.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,263.66 : 7,888.65 = 2,140.03 : x
  2. Step 2: Convert to fraction form
    5,263.66/7,888.65 = 2,140.03/x
  3. Step 3: Cross multiply
    5,263.66x = 7,888.65 × 2,140.03
  4. Step 4: Simplify right side
    5,263.66x = 16,881,947.66
  5. Step 5: Solve for x
    x = 16,881,947.66/5,263.66
  6. Step 6: Final answer
    x = 3,207.26

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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.