Home / 7,312.22-10,969.47-3,153.41

Finding the Fourth Proportional to 7,312.22, 10,969.47 and 3,153.41

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Solution

The fourth proportional to 7,312.22, 10,969.47 and 3,153.41 is: 4,730.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.22 : 10,969.47 = 3,153.41 : x
  2. Step 2: Convert to fraction form
    7,312.22/10,969.47 = 3,153.41/x
  3. Step 3: Cross multiply
    7,312.22x = 10,969.47 × 3,153.41
  4. Step 4: Simplify right side
    7,312.22x = 34,591,181.55
  5. Step 5: Solve for x
    x = 34,591,181.55/7,312.22
  6. Step 6: Final answer
    x = 4,730.60

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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.