Home / 7,241.85-10,863.36-2,312.19

Finding the Fourth Proportional to 7,241.85, 10,863.36 and 2,312.19

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Solution

The fourth proportional to 7,241.85, 10,863.36 and 2,312.19 is: 3,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,241.85 : 10,863.36 = 2,312.19 : x
  2. Step 2: Convert to fraction form
    7,241.85/10,863.36 = 2,312.19/x
  3. Step 3: Cross multiply
    7,241.85x = 10,863.36 × 2,312.19
  4. Step 4: Simplify right side
    7,241.85x = 25,118,152.36
  5. Step 5: Solve for x
    x = 25,118,152.36/7,241.85
  6. Step 6: Final answer
    x = 3,468.47

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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.