Home / 8,461.46-12,688.29-3,528.15

Finding the Fourth Proportional to 8,461.46, 12,688.29 and 3,528.15

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Solution

The fourth proportional to 8,461.46, 12,688.29 and 3,528.15 is: 5,290.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.46 : 12,688.29 = 3,528.15 : x
  2. Step 2: Convert to fraction form
    8,461.46/12,688.29 = 3,528.15/x
  3. Step 3: Cross multiply
    8,461.46x = 12,688.29 × 3,528.15
  4. Step 4: Simplify right side
    8,461.46x = 44,766,190.36
  5. Step 5: Solve for x
    x = 44,766,190.36/8,461.46
  6. Step 6: Final answer
    x = 5,290.60

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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.