Home / 9,386.28-14,079.42-2,812.32

Finding the Fourth Proportional to 9,386.28, 14,079.42 and 2,812.32

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Solution

The fourth proportional to 9,386.28, 14,079.42 and 2,812.32 is: 4,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.28 : 14,079.42 = 2,812.32 : x
  2. Step 2: Convert to fraction form
    9,386.28/14,079.42 = 2,812.32/x
  3. Step 3: Cross multiply
    9,386.28x = 14,079.42 × 2,812.32
  4. Step 4: Simplify right side
    9,386.28x = 39,595,834.45
  5. Step 5: Solve for x
    x = 39,595,834.45/9,386.28
  6. Step 6: Final answer
    x = 4,218.48

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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.