Home / 4,020.03-6,030.45-1,387.46

Finding the Fourth Proportional to 4,020.03, 6,030.45 and 1,387.46

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Solution

The fourth proportional to 4,020.03, 6,030.45 and 1,387.46 is: 2,081.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.03 : 6,030.45 = 1,387.46 : x
  2. Step 2: Convert to fraction form
    4,020.03/6,030.45 = 1,387.46/x
  3. Step 3: Cross multiply
    4,020.03x = 6,030.45 × 1,387.46
  4. Step 4: Simplify right side
    4,020.03x = 8,367,023.23
  5. Step 5: Solve for x
    x = 8,367,023.23/4,020.03
  6. Step 6: Final answer
    x = 2,081.33

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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.