Home / 7,730.39-10,667.85-4,193.61

Finding the Fourth Proportional to 7,730.39, 10,667.85 and 4,193.61

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Solution

The fourth proportional to 7,730.39, 10,667.85 and 4,193.61 is: 5,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.39 : 10,667.85 = 4,193.61 : x
  2. Step 2: Convert to fraction form
    7,730.39/10,667.85 = 4,193.61/x
  3. Step 3: Cross multiply
    7,730.39x = 10,667.85 × 4,193.61
  4. Step 4: Simplify right side
    7,730.39x = 44,736,802.44
  5. Step 5: Solve for x
    x = 44,736,802.44/7,730.39
  6. Step 6: Final answer
    x = 5,787.14

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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.