Home / 5,254.12-7,870.20-2,483.20

Finding the Fourth Proportional to 5,254.12, 7,870.20 and 2,483.20

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Solution

The fourth proportional to 5,254.12, 7,870.20 and 2,483.20 is: 3,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.12 : 7,870.20 = 2,483.20 : x
  2. Step 2: Convert to fraction form
    5,254.12/7,870.20 = 2,483.20/x
  3. Step 3: Cross multiply
    5,254.12x = 7,870.20 × 2,483.20
  4. Step 4: Simplify right side
    5,254.12x = 19,543,280.64
  5. Step 5: Solve for x
    x = 19,543,280.64/5,254.12
  6. Step 6: Final answer
    x = 3,719.61

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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.