Home / 5,382.26-8,070.06-1,870.75

Finding the Fourth Proportional to 5,382.26, 8,070.06 and 1,870.75

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Solution

The fourth proportional to 5,382.26, 8,070.06 and 1,870.75 is: 2,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,382.26 : 8,070.06 = 1,870.75 : x
  2. Step 2: Convert to fraction form
    5,382.26/8,070.06 = 1,870.75/x
  3. Step 3: Cross multiply
    5,382.26x = 8,070.06 × 1,870.75
  4. Step 4: Simplify right side
    5,382.26x = 15,097,024.39
  5. Step 5: Solve for x
    x = 15,097,024.39/5,382.26
  6. Step 6: Final answer
    x = 2,804.96

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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.