Home / 4,460.55-6,690.90-1,688.54

Finding the Fourth Proportional to 4,460.55, 6,690.90 and 1,688.54

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Solution

The fourth proportional to 4,460.55, 6,690.90 and 1,688.54 is: 2,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,460.55 : 6,690.90 = 1,688.54 : x
  2. Step 2: Convert to fraction form
    4,460.55/6,690.90 = 1,688.54/x
  3. Step 3: Cross multiply
    4,460.55x = 6,690.90 × 1,688.54
  4. Step 4: Simplify right side
    4,460.55x = 11,297,818.83
  5. Step 5: Solve for x
    x = 11,297,818.83/4,460.55
  6. Step 6: Final answer
    x = 2,532.83

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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.