Home / 7,477.65-11,216.52-1,930.61

Finding the Fourth Proportional to 7,477.65, 11,216.52 and 1,930.61

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Solution

The fourth proportional to 7,477.65, 11,216.52 and 1,930.61 is: 2,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.65 : 11,216.52 = 1,930.61 : x
  2. Step 2: Convert to fraction form
    7,477.65/11,216.52 = 1,930.61/x
  3. Step 3: Cross multiply
    7,477.65x = 11,216.52 × 1,930.61
  4. Step 4: Simplify right side
    7,477.65x = 21,654,769.32
  5. Step 5: Solve for x
    x = 21,654,769.32/7,477.65
  6. Step 6: Final answer
    x = 2,895.93

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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.