Home / 9,406.28-12,980.58-5,214.26

Finding the Fourth Proportional to 9,406.28, 12,980.58 and 5,214.26

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Solution

The fourth proportional to 9,406.28, 12,980.58 and 5,214.26 is: 7,195.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,406.28 : 12,980.58 = 5,214.26 : x
  2. Step 2: Convert to fraction form
    9,406.28/12,980.58 = 5,214.26/x
  3. Step 3: Cross multiply
    9,406.28x = 12,980.58 × 5,214.26
  4. Step 4: Simplify right side
    9,406.28x = 67,684,119.07
  5. Step 5: Solve for x
    x = 67,684,119.07/9,406.28
  6. Step 6: Final answer
    x = 7,195.63

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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.