Home / 4,770.69-6,585.34-2,781.87

Finding the Fourth Proportional to 4,770.69, 6,585.34 and 2,781.87

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Solution

The fourth proportional to 4,770.69, 6,585.34 and 2,781.87 is: 3,840.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.69 : 6,585.34 = 2,781.87 : x
  2. Step 2: Convert to fraction form
    4,770.69/6,585.34 = 2,781.87/x
  3. Step 3: Cross multiply
    4,770.69x = 6,585.34 × 2,781.87
  4. Step 4: Simplify right side
    4,770.69x = 18,319,559.79
  5. Step 5: Solve for x
    x = 18,319,559.79/4,770.69
  6. Step 6: Final answer
    x = 3,840.02

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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.