Home / 7,245.28-10,862.58-2,312.08

Finding the Fourth Proportional to 7,245.28, 10,862.58 and 2,312.08

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Solution

The fourth proportional to 7,245.28, 10,862.58 and 2,312.08 is: 3,466.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.28 : 10,862.58 = 2,312.08 : x
  2. Step 2: Convert to fraction form
    7,245.28/10,862.58 = 2,312.08/x
  3. Step 3: Cross multiply
    7,245.28x = 10,862.58 × 2,312.08
  4. Step 4: Simplify right side
    7,245.28x = 25,115,153.97
  5. Step 5: Solve for x
    x = 25,115,153.97/7,245.28
  6. Step 6: Final answer
    x = 3,466.42

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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.