Home / 4,345.46-6,518.82-1,343.77

Finding the Fourth Proportional to 4,345.46, 6,518.82 and 1,343.77

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Solution

The fourth proportional to 4,345.46, 6,518.82 and 1,343.77 is: 2,015.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.46 : 6,518.82 = 1,343.77 : x
  2. Step 2: Convert to fraction form
    4,345.46/6,518.82 = 1,343.77/x
  3. Step 3: Cross multiply
    4,345.46x = 6,518.82 × 1,343.77
  4. Step 4: Simplify right side
    4,345.46x = 8,759,783.21
  5. Step 5: Solve for x
    x = 8,759,783.21/4,345.46
  6. Step 6: Final answer
    x = 2,015.85

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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.