Home / 4,890.46-7,335.69-1,770.88

Finding the Fourth Proportional to 4,890.46, 7,335.69 and 1,770.88

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Solution

The fourth proportional to 4,890.46, 7,335.69 and 1,770.88 is: 2,656.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.46 : 7,335.69 = 1,770.88 : x
  2. Step 2: Convert to fraction form
    4,890.46/7,335.69 = 1,770.88/x
  3. Step 3: Cross multiply
    4,890.46x = 7,335.69 × 1,770.88
  4. Step 4: Simplify right side
    4,890.46x = 12,990,626.71
  5. Step 5: Solve for x
    x = 12,990,626.71/4,890.46
  6. Step 6: Final answer
    x = 2,656.32

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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.