Home / 5,623.15-8,421.93-3,427.03

Finding the Fourth Proportional to 5,623.15, 8,421.93 and 3,427.03

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Solution

The fourth proportional to 5,623.15, 8,421.93 and 3,427.03 is: 5,132.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,623.15 : 8,421.93 = 3,427.03 : x
  2. Step 2: Convert to fraction form
    5,623.15/8,421.93 = 3,427.03/x
  3. Step 3: Cross multiply
    5,623.15x = 8,421.93 × 3,427.03
  4. Step 4: Simplify right side
    5,623.15x = 28,862,206.77
  5. Step 5: Solve for x
    x = 28,862,206.77/5,623.15
  6. Step 6: Final answer
    x = 5,132.75

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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.