Home / 4,476.70-6,715.04-1,189.79

Finding the Fourth Proportional to 4,476.70, 6,715.04 and 1,189.79

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Solution

The fourth proportional to 4,476.70, 6,715.04 and 1,189.79 is: 1,784.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,476.70 : 6,715.04 = 1,189.79 : x
  2. Step 2: Convert to fraction form
    4,476.70/6,715.04 = 1,189.79/x
  3. Step 3: Cross multiply
    4,476.70x = 6,715.04 × 1,189.79
  4. Step 4: Simplify right side
    4,476.70x = 7,989,475.33
  5. Step 5: Solve for x
    x = 7,989,475.33/4,476.70
  6. Step 6: Final answer
    x = 1,784.68

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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.