Home / 4,780.42-6,596.84-2,891.70

Finding the Fourth Proportional to 4,780.42, 6,596.84 and 2,891.70

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Solution

The fourth proportional to 4,780.42, 6,596.84 and 2,891.70 is: 3,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.42 : 6,596.84 = 2,891.70 : x
  2. Step 2: Convert to fraction form
    4,780.42/6,596.84 = 2,891.70/x
  3. Step 3: Cross multiply
    4,780.42x = 6,596.84 × 2,891.70
  4. Step 4: Simplify right side
    4,780.42x = 19,076,089.46
  5. Step 5: Solve for x
    x = 19,076,089.46/4,780.42
  6. Step 6: Final answer
    x = 3,990.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.