Home / 6,287.56-9,431.18-1,904.84

Finding the Fourth Proportional to 6,287.56, 9,431.18 and 1,904.84

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Solution

The fourth proportional to 6,287.56, 9,431.18 and 1,904.84 is: 2,857.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.56 : 9,431.18 = 1,904.84 : x
  2. Step 2: Convert to fraction form
    6,287.56/9,431.18 = 1,904.84/x
  3. Step 3: Cross multiply
    6,287.56x = 9,431.18 × 1,904.84
  4. Step 4: Simplify right side
    6,287.56x = 17,964,888.91
  5. Step 5: Solve for x
    x = 17,964,888.91/6,287.56
  6. Step 6: Final answer
    x = 2,857.21

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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.