Home / 6,317.12-9,477.12-1,935.20

Finding the Fourth Proportional to 6,317.12, 9,477.12 and 1,935.20

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Solution

The fourth proportional to 6,317.12, 9,477.12 and 1,935.20 is: 2,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.12 : 9,477.12 = 1,935.20 : x
  2. Step 2: Convert to fraction form
    6,317.12/9,477.12 = 1,935.20/x
  3. Step 3: Cross multiply
    6,317.12x = 9,477.12 × 1,935.20
  4. Step 4: Simplify right side
    6,317.12x = 18,340,122.62
  5. Step 5: Solve for x
    x = 18,340,122.62/6,317.12
  6. Step 6: Final answer
    x = 2,903.24

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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.