Home / 4,688.62-7,032.79-1,178.62

Finding the Fourth Proportional to 4,688.62, 7,032.79 and 1,178.62

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Solution

The fourth proportional to 4,688.62, 7,032.79 and 1,178.62 is: 1,767.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.62 : 7,032.79 = 1,178.62 : x
  2. Step 2: Convert to fraction form
    4,688.62/7,032.79 = 1,178.62/x
  3. Step 3: Cross multiply
    4,688.62x = 7,032.79 × 1,178.62
  4. Step 4: Simplify right side
    4,688.62x = 8,288,970.84
  5. Step 5: Solve for x
    x = 8,288,970.84/4,688.62
  6. Step 6: Final answer
    x = 1,767.89

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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.