Home / 6,147.54-9,219.60-2,857.32

Finding the Fourth Proportional to 6,147.54, 9,219.60 and 2,857.32

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Solution

The fourth proportional to 6,147.54, 9,219.60 and 2,857.32 is: 4,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.54 : 9,219.60 = 2,857.32 : x
  2. Step 2: Convert to fraction form
    6,147.54/9,219.60 = 2,857.32/x
  3. Step 3: Cross multiply
    6,147.54x = 9,219.60 × 2,857.32
  4. Step 4: Simplify right side
    6,147.54x = 26,343,347.47
  5. Step 5: Solve for x
    x = 26,343,347.47/6,147.54
  6. Step 6: Final answer
    x = 4,285.19

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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.