Home / 4,291.20-6,437.41-2,100.06

Finding the Fourth Proportional to 4,291.20, 6,437.41 and 2,100.06

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Solution

The fourth proportional to 4,291.20, 6,437.41 and 2,100.06 is: 3,150.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.20 : 6,437.41 = 2,100.06 : x
  2. Step 2: Convert to fraction form
    4,291.20/6,437.41 = 2,100.06/x
  3. Step 3: Cross multiply
    4,291.20x = 6,437.41 × 2,100.06
  4. Step 4: Simplify right side
    4,291.20x = 13,518,941.99
  5. Step 5: Solve for x
    x = 13,518,941.99/4,291.20
  6. Step 6: Final answer
    x = 3,150.39

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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.