Home / 6,420.11-9,629.84-2,036.99

Finding the Fourth Proportional to 6,420.11, 9,629.84 and 2,036.99

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Solution

The fourth proportional to 6,420.11, 9,629.84 and 2,036.99 is: 3,055.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420.11 : 9,629.84 = 2,036.99 : x
  2. Step 2: Convert to fraction form
    6,420.11/9,629.84 = 2,036.99/x
  3. Step 3: Cross multiply
    6,420.11x = 9,629.84 × 2,036.99
  4. Step 4: Simplify right side
    6,420.11x = 19,615,916.95
  5. Step 5: Solve for x
    x = 19,615,916.95/6,420.11
  6. Step 6: Final answer
    x = 3,055.39

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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.