Home / 8,541.45-12,808.33-3,608.55

Finding the Fourth Proportional to 8,541.45, 12,808.33 and 3,608.55

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Solution

The fourth proportional to 8,541.45, 12,808.33 and 3,608.55 is: 5,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,541.45 : 12,808.33 = 3,608.55 : x
  2. Step 2: Convert to fraction form
    8,541.45/12,808.33 = 3,608.55/x
  3. Step 3: Cross multiply
    8,541.45x = 12,808.33 × 3,608.55
  4. Step 4: Simplify right side
    8,541.45x = 46,219,490.20
  5. Step 5: Solve for x
    x = 46,219,490.20/8,541.45
  6. Step 6: Final answer
    x = 5,411.20

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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.