Home / 5,271.68-7,902.66-1,806.50

Finding the Fourth Proportional to 5,271.68, 7,902.66 and 1,806.50

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Solution

The fourth proportional to 5,271.68, 7,902.66 and 1,806.50 is: 2,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.68 : 7,902.66 = 1,806.50 : x
  2. Step 2: Convert to fraction form
    5,271.68/7,902.66 = 1,806.50/x
  3. Step 3: Cross multiply
    5,271.68x = 7,902.66 × 1,806.50
  4. Step 4: Simplify right side
    5,271.68x = 14,276,155.29
  5. Step 5: Solve for x
    x = 14,276,155.29/5,271.68
  6. Step 6: Final answer
    x = 2,708.08

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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.