Home / 4,642.11-6,403.86-3,071.52

Finding the Fourth Proportional to 4,642.11, 6,403.86 and 3,071.52

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Solution

The fourth proportional to 4,642.11, 6,403.86 and 3,071.52 is: 4,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.11 : 6,403.86 = 3,071.52 : x
  2. Step 2: Convert to fraction form
    4,642.11/6,403.86 = 3,071.52/x
  3. Step 3: Cross multiply
    4,642.11x = 6,403.86 × 3,071.52
  4. Step 4: Simplify right side
    4,642.11x = 19,669,584.07
  5. Step 5: Solve for x
    x = 19,669,584.07/4,642.11
  6. Step 6: Final answer
    x = 4,237.21

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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.