Home / 7,028.64-9,698.31-4,341.36

Finding the Fourth Proportional to 7,028.64, 9,698.31 and 4,341.36

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Solution

The fourth proportional to 7,028.64, 9,698.31 and 4,341.36 is: 5,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,028.64 : 9,698.31 = 4,341.36 : x
  2. Step 2: Convert to fraction form
    7,028.64/9,698.31 = 4,341.36/x
  3. Step 3: Cross multiply
    7,028.64x = 9,698.31 × 4,341.36
  4. Step 4: Simplify right side
    7,028.64x = 42,103,855.10
  5. Step 5: Solve for x
    x = 42,103,855.10/7,028.64
  6. Step 6: Final answer
    x = 5,990.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.