Home / 5,020.06-7,530.48-1,688.80

Finding the Fourth Proportional to 5,020.06, 7,530.48 and 1,688.80

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Solution

The fourth proportional to 5,020.06, 7,530.48 and 1,688.80 is: 2,533.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,020.06 : 7,530.48 = 1,688.80 : x
  2. Step 2: Convert to fraction form
    5,020.06/7,530.48 = 1,688.80/x
  3. Step 3: Cross multiply
    5,020.06x = 7,530.48 × 1,688.80
  4. Step 4: Simplify right side
    5,020.06x = 12,717,474.62
  5. Step 5: Solve for x
    x = 12,717,474.62/5,020.06
  6. Step 6: Final answer
    x = 2,533.33

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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.