Home / 7,245.65-10,863.16-2,312.45

Finding the Fourth Proportional to 7,245.65, 10,863.16 and 2,312.45

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Solution

The fourth proportional to 7,245.65, 10,863.16 and 2,312.45 is: 3,466.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,245.65 : 10,863.16 = 2,312.45 : x
  2. Step 2: Convert to fraction form
    7,245.65/10,863.16 = 2,312.45/x
  3. Step 3: Cross multiply
    7,245.65x = 10,863.16 × 2,312.45
  4. Step 4: Simplify right side
    7,245.65x = 25,120,454.25
  5. Step 5: Solve for x
    x = 25,120,454.25/7,245.65
  6. Step 6: Final answer
    x = 3,466.97

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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.