Home / 7,410.39-11,111.48-3,030.92

Finding the Fourth Proportional to 7,410.39, 11,111.48 and 3,030.92

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Solution

The fourth proportional to 7,410.39, 11,111.48 and 3,030.92 is: 4,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,410.39 : 11,111.48 = 3,030.92 : x
  2. Step 2: Convert to fraction form
    7,410.39/11,111.48 = 3,030.92/x
  3. Step 3: Cross multiply
    7,410.39x = 11,111.48 × 3,030.92
  4. Step 4: Simplify right side
    7,410.39x = 33,678,068.83
  5. Step 5: Solve for x
    x = 33,678,068.83/7,410.39
  6. Step 6: Final answer
    x = 4,544.71

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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.