Home / 5,158.20-7,732.57-1,870.50

Finding the Fourth Proportional to 5,158.20, 7,732.57 and 1,870.50

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Solution

The fourth proportional to 5,158.20, 7,732.57 and 1,870.50 is: 2,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.20 : 7,732.57 = 1,870.50 : x
  2. Step 2: Convert to fraction form
    5,158.20/7,732.57 = 1,870.50/x
  3. Step 3: Cross multiply
    5,158.20x = 7,732.57 × 1,870.50
  4. Step 4: Simplify right side
    5,158.20x = 14,463,772.19
  5. Step 5: Solve for x
    x = 14,463,772.19/5,158.20
  6. Step 6: Final answer
    x = 2,804.03

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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.