Home / 6,019.12-9,030.12-2,123.92

Finding the Fourth Proportional to 6,019.12, 9,030.12 and 2,123.92

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Solution

The fourth proportional to 6,019.12, 9,030.12 and 2,123.92 is: 3,186.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,019.12 : 9,030.12 = 2,123.92 : x
  2. Step 2: Convert to fraction form
    6,019.12/9,030.12 = 2,123.92/x
  3. Step 3: Cross multiply
    6,019.12x = 9,030.12 × 2,123.92
  4. Step 4: Simplify right side
    6,019.12x = 19,179,252.47
  5. Step 5: Solve for x
    x = 19,179,252.47/6,019.12
  6. Step 6: Final answer
    x = 3,186.39

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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.