Home / 5,615.03-8,420.84-2,327.35

Finding the Fourth Proportional to 5,615.03, 8,420.84 and 2,327.35

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Solution

The fourth proportional to 5,615.03, 8,420.84 and 2,327.35 is: 3,490.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615.03 : 8,420.84 = 2,327.35 : x
  2. Step 2: Convert to fraction form
    5,615.03/8,420.84 = 2,327.35/x
  3. Step 3: Cross multiply
    5,615.03x = 8,420.84 × 2,327.35
  4. Step 4: Simplify right side
    5,615.03x = 19,598,230.34
  5. Step 5: Solve for x
    x = 19,598,230.34/5,615.03
  6. Step 6: Final answer
    x = 3,490.32

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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.