Home / 6,540.12-9,030.45-4,023.39

Finding the Fourth Proportional to 6,540.12, 9,030.45 and 4,023.39

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Solution

The fourth proportional to 6,540.12, 9,030.45 and 4,023.39 is: 5,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.12 : 9,030.45 = 4,023.39 : x
  2. Step 2: Convert to fraction form
    6,540.12/9,030.45 = 4,023.39/x
  3. Step 3: Cross multiply
    6,540.12x = 9,030.45 × 4,023.39
  4. Step 4: Simplify right side
    6,540.12x = 36,333,022.23
  5. Step 5: Solve for x
    x = 36,333,022.23/6,540.12
  6. Step 6: Final answer
    x = 5,555.41

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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.