Home / 5,148.02-7,723.23-1,685.06

Finding the Fourth Proportional to 5,148.02, 7,723.23 and 1,685.06

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Solution

The fourth proportional to 5,148.02, 7,723.23 and 1,685.06 is: 2,527.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,148.02 : 7,723.23 = 1,685.06 : x
  2. Step 2: Convert to fraction form
    5,148.02/7,723.23 = 1,685.06/x
  3. Step 3: Cross multiply
    5,148.02x = 7,723.23 × 1,685.06
  4. Step 4: Simplify right side
    5,148.02x = 13,014,105.94
  5. Step 5: Solve for x
    x = 13,014,105.94/5,148.02
  6. Step 6: Final answer
    x = 2,527.98

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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.