Home / 6,318.50-9,477.63-1,935.86

Finding the Fourth Proportional to 6,318.50, 9,477.63 and 1,935.86

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Solution

The fourth proportional to 6,318.50, 9,477.63 and 1,935.86 is: 2,903.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.50 : 9,477.63 = 1,935.86 : x
  2. Step 2: Convert to fraction form
    6,318.50/9,477.63 = 1,935.86/x
  3. Step 3: Cross multiply
    6,318.50x = 9,477.63 × 1,935.86
  4. Step 4: Simplify right side
    6,318.50x = 18,347,317.42
  5. Step 5: Solve for x
    x = 18,347,317.42/6,318.50
  6. Step 6: Final answer
    x = 2,903.75

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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.