Home / 4,090.45-6,126.33-3,210.95

Finding the Fourth Proportional to 4,090.45, 6,126.33 and 3,210.95

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Solution

The fourth proportional to 4,090.45, 6,126.33 and 3,210.95 is: 4,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.45 : 6,126.33 = 3,210.95 : x
  2. Step 2: Convert to fraction form
    4,090.45/6,126.33 = 3,210.95/x
  3. Step 3: Cross multiply
    4,090.45x = 6,126.33 × 3,210.95
  4. Step 4: Simplify right side
    4,090.45x = 19,671,339.31
  5. Step 5: Solve for x
    x = 19,671,339.31/4,090.45
  6. Step 6: Final answer
    x = 4,809.09

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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.