Home / 5,708.81-8,563.89-2,421.47

Finding the Fourth Proportional to 5,708.81, 8,563.89 and 2,421.47

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Solution

The fourth proportional to 5,708.81, 8,563.89 and 2,421.47 is: 3,632.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,708.81 : 8,563.89 = 2,421.47 : x
  2. Step 2: Convert to fraction form
    5,708.81/8,563.89 = 2,421.47/x
  3. Step 3: Cross multiply
    5,708.81x = 8,563.89 × 2,421.47
  4. Step 4: Simplify right side
    5,708.81x = 20,737,202.72
  5. Step 5: Solve for x
    x = 20,737,202.72/5,708.81
  6. Step 6: Final answer
    x = 3,632.49

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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.