Home / 4,770.16-6,582.72-2,780.68

Finding the Fourth Proportional to 4,770.16, 6,582.72 and 2,780.68

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Solution

The fourth proportional to 4,770.16, 6,582.72 and 2,780.68 is: 3,837.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.16 : 6,582.72 = 2,780.68 : x
  2. Step 2: Convert to fraction form
    4,770.16/6,582.72 = 2,780.68/x
  3. Step 3: Cross multiply
    4,770.16x = 6,582.72 × 2,780.68
  4. Step 4: Simplify right side
    4,770.16x = 18,304,437.85
  5. Step 5: Solve for x
    x = 18,304,437.85/4,770.16
  6. Step 6: Final answer
    x = 3,837.28

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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.