Home / 4,784.31-6,601.59-2,740.05

Finding the Fourth Proportional to 4,784.31, 6,601.59 and 2,740.05

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Solution

The fourth proportional to 4,784.31, 6,601.59 and 2,740.05 is: 3,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,784.31 : 6,601.59 = 2,740.05 : x
  2. Step 2: Convert to fraction form
    4,784.31/6,601.59 = 2,740.05/x
  3. Step 3: Cross multiply
    4,784.31x = 6,601.59 × 2,740.05
  4. Step 4: Simplify right side
    4,784.31x = 18,088,686.68
  5. Step 5: Solve for x
    x = 18,088,686.68/4,784.31
  6. Step 6: Final answer
    x = 3,780.83

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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.