Home / 5,436.68-8,155.08-1,541.12

Finding the Fourth Proportional to 5,436.68, 8,155.08 and 1,541.12

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Solution

The fourth proportional to 5,436.68, 8,155.08 and 1,541.12 is: 2,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.68 : 8,155.08 = 1,541.12 : x
  2. Step 2: Convert to fraction form
    5,436.68/8,155.08 = 1,541.12/x
  3. Step 3: Cross multiply
    5,436.68x = 8,155.08 × 1,541.12
  4. Step 4: Simplify right side
    5,436.68x = 12,567,956.89
  5. Step 5: Solve for x
    x = 12,567,956.89/5,436.68
  6. Step 6: Final answer
    x = 2,311.70

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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.