Home / 4,019.95-6,030.64-1,387.25

Finding the Fourth Proportional to 4,019.95, 6,030.64 and 1,387.25

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Solution

The fourth proportional to 4,019.95, 6,030.64 and 1,387.25 is: 2,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.95 : 6,030.64 = 1,387.25 : x
  2. Step 2: Convert to fraction form
    4,019.95/6,030.64 = 1,387.25/x
  3. Step 3: Cross multiply
    4,019.95x = 6,030.64 × 1,387.25
  4. Step 4: Simplify right side
    4,019.95x = 8,365,998.40
  5. Step 5: Solve for x
    x = 8,365,998.40/4,019.95
  6. Step 6: Final answer
    x = 2,081.12

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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.