Home / 5,564.48-7,670.85-3,989.84

Finding the Fourth Proportional to 5,564.48, 7,670.85 and 3,989.84

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Solution

The fourth proportional to 5,564.48, 7,670.85 and 3,989.84 is: 5,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.48 : 7,670.85 = 3,989.84 : x
  2. Step 2: Convert to fraction form
    5,564.48/7,670.85 = 3,989.84/x
  3. Step 3: Cross multiply
    5,564.48x = 7,670.85 × 3,989.84
  4. Step 4: Simplify right side
    5,564.48x = 30,605,464.16
  5. Step 5: Solve for x
    x = 30,605,464.16/5,564.48
  6. Step 6: Final answer
    x = 5,500.15

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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.