Home / 7,302.28-10,955.04-2,107.72

Finding the Fourth Proportional to 7,302.28, 10,955.04 and 2,107.72

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Solution

The fourth proportional to 7,302.28, 10,955.04 and 2,107.72 is: 3,162.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.28 : 10,955.04 = 2,107.72 : x
  2. Step 2: Convert to fraction form
    7,302.28/10,955.04 = 2,107.72/x
  3. Step 3: Cross multiply
    7,302.28x = 10,955.04 × 2,107.72
  4. Step 4: Simplify right side
    7,302.28x = 23,090,156.91
  5. Step 5: Solve for x
    x = 23,090,156.91/7,302.28
  6. Step 6: Final answer
    x = 3,162.05

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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.