Home / 5,080.14-7,583.40-4,391.28

Finding the Fourth Proportional to 5,080.14, 7,583.40 and 4,391.28

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Solution

The fourth proportional to 5,080.14, 7,583.40 and 4,391.28 is: 6,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,080.14 : 7,583.40 = 4,391.28 : x
  2. Step 2: Convert to fraction form
    5,080.14/7,583.40 = 4,391.28/x
  3. Step 3: Cross multiply
    5,080.14x = 7,583.40 × 4,391.28
  4. Step 4: Simplify right side
    5,080.14x = 33,300,832.75
  5. Step 5: Solve for x
    x = 33,300,832.75/5,080.14
  6. Step 6: Final answer
    x = 6,555.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.