Home / 5,562.47-7,678.40-3,795.05

Finding the Fourth Proportional to 5,562.47, 7,678.40 and 3,795.05

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Solution

The fourth proportional to 5,562.47, 7,678.40 and 3,795.05 is: 5,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.47 : 7,678.40 = 3,795.05 : x
  2. Step 2: Convert to fraction form
    5,562.47/7,678.40 = 3,795.05/x
  3. Step 3: Cross multiply
    5,562.47x = 7,678.40 × 3,795.05
  4. Step 4: Simplify right side
    5,562.47x = 29,139,912.14
  5. Step 5: Solve for x
    x = 29,139,912.14/5,562.47
  6. Step 6: Final answer
    x = 5,238.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.