Home / 7,790.58-11,667.24-4,275.18

Finding the Fourth Proportional to 7,790.58, 11,667.24 and 4,275.18

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Solution

The fourth proportional to 7,790.58, 11,667.24 and 4,275.18 is: 6,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,790.58 : 11,667.24 = 4,275.18 : x
  2. Step 2: Convert to fraction form
    7,790.58/11,667.24 = 4,275.18/x
  3. Step 3: Cross multiply
    7,790.58x = 11,667.24 × 4,275.18
  4. Step 4: Simplify right side
    7,790.58x = 49,879,551.10
  5. Step 5: Solve for x
    x = 49,879,551.10/7,790.58
  6. Step 6: Final answer
    x = 6,402.55

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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.