Home / 6,458.04-9,687.60-2,760.12

Finding the Fourth Proportional to 6,458.04, 9,687.60 and 2,760.12

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Solution

The fourth proportional to 6,458.04, 9,687.60 and 2,760.12 is: 4,140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.04 : 9,687.60 = 2,760.12 : x
  2. Step 2: Convert to fraction form
    6,458.04/9,687.60 = 2,760.12/x
  3. Step 3: Cross multiply
    6,458.04x = 9,687.60 × 2,760.12
  4. Step 4: Simplify right side
    6,458.04x = 26,738,938.51
  5. Step 5: Solve for x
    x = 26,738,938.51/6,458.04
  6. Step 6: Final answer
    x = 4,140.41

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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.