Home / 5,601.51-8,403.75-4,989.42

Finding the Fourth Proportional to 5,601.51, 8,403.75 and 4,989.42

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Solution

The fourth proportional to 5,601.51, 8,403.75 and 4,989.42 is: 7,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.51 : 8,403.75 = 4,989.42 : x
  2. Step 2: Convert to fraction form
    5,601.51/8,403.75 = 4,989.42/x
  3. Step 3: Cross multiply
    5,601.51x = 8,403.75 × 4,989.42
  4. Step 4: Simplify right side
    5,601.51x = 41,929,838.33
  5. Step 5: Solve for x
    x = 41,929,838.33/5,601.51
  6. Step 6: Final answer
    x = 7,485.45

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1.5x scale

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.