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Finding the Fourth Proportional to 5,800.79, 8,004.88 and 3,148.14

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Solution

The fourth proportional to 5,800.79, 8,004.88 and 3,148.14 is: 4,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.79 : 8,004.88 = 3,148.14 : x
  2. Step 2: Convert to fraction form
    5,800.79/8,004.88 = 3,148.14/x
  3. Step 3: Cross multiply
    5,800.79x = 8,004.88 × 3,148.14
  4. Step 4: Simplify right side
    5,800.79x = 25,200,476.65
  5. Step 5: Solve for x
    x = 25,200,476.65/5,800.79
  6. Step 6: Final answer
    x = 4,344.32

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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.