Home / 4,812.07-6,638.27-3,134.45

Finding the Fourth Proportional to 4,812.07, 6,638.27 and 3,134.45

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Solution

The fourth proportional to 4,812.07, 6,638.27 and 3,134.45 is: 4,323.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.07 : 6,638.27 = 3,134.45 : x
  2. Step 2: Convert to fraction form
    4,812.07/6,638.27 = 3,134.45/x
  3. Step 3: Cross multiply
    4,812.07x = 6,638.27 × 3,134.45
  4. Step 4: Simplify right side
    4,812.07x = 20,807,325.40
  5. Step 5: Solve for x
    x = 20,807,325.40/4,812.07
  6. Step 6: Final answer
    x = 4,323.99

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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.