Home / 6,078.94-9,109.28-4,690.20

Finding the Fourth Proportional to 6,078.94, 9,109.28 and 4,690.20

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Solution

The fourth proportional to 6,078.94, 9,109.28 and 4,690.20 is: 7,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.94 : 9,109.28 = 4,690.20 : x
  2. Step 2: Convert to fraction form
    6,078.94/9,109.28 = 4,690.20/x
  3. Step 3: Cross multiply
    6,078.94x = 9,109.28 × 4,690.20
  4. Step 4: Simplify right side
    6,078.94x = 42,724,345.06
  5. Step 5: Solve for x
    x = 42,724,345.06/6,078.94
  6. Step 6: Final answer
    x = 7,028.26

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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.