Home / 4,203.98-6,309.86-2,125.45

Finding the Fourth Proportional to 4,203.98, 6,309.86 and 2,125.45

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Solution

The fourth proportional to 4,203.98, 6,309.86 and 2,125.45 is: 3,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,203.98 : 6,309.86 = 2,125.45 : x
  2. Step 2: Convert to fraction form
    4,203.98/6,309.86 = 2,125.45/x
  3. Step 3: Cross multiply
    4,203.98x = 6,309.86 × 2,125.45
  4. Step 4: Simplify right side
    4,203.98x = 13,411,291.94
  5. Step 5: Solve for x
    x = 13,411,291.94/4,203.98
  6. Step 6: Final answer
    x = 3,190.14

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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.