Home / 8,262.21-11,401.93-4,485.40

Finding the Fourth Proportional to 8,262.21, 11,401.93 and 4,485.40

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Solution

The fourth proportional to 8,262.21, 11,401.93 and 4,485.40 is: 6,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.21 : 11,401.93 = 4,485.40 : x
  2. Step 2: Convert to fraction form
    8,262.21/11,401.93 = 4,485.40/x
  3. Step 3: Cross multiply
    8,262.21x = 11,401.93 × 4,485.40
  4. Step 4: Simplify right side
    8,262.21x = 51,142,216.82
  5. Step 5: Solve for x
    x = 51,142,216.82/8,262.21
  6. Step 6: Final answer
    x = 6,189.90

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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.