Home / 5,564.47-7,678.45-3,325.90

Finding the Fourth Proportional to 5,564.47, 7,678.45 and 3,325.90

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Solution

The fourth proportional to 5,564.47, 7,678.45 and 3,325.90 is: 4,589.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.47 : 7,678.45 = 3,325.90 : x
  2. Step 2: Convert to fraction form
    5,564.47/7,678.45 = 3,325.90/x
  3. Step 3: Cross multiply
    5,564.47x = 7,678.45 × 3,325.90
  4. Step 4: Simplify right side
    5,564.47x = 25,537,740.23
  5. Step 5: Solve for x
    x = 25,537,740.23/5,564.47
  6. Step 6: Final answer
    x = 4,589.43

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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.