Home / 6,318.10-9,478.88-1,935.46

Finding the Fourth Proportional to 6,318.10, 9,478.88 and 1,935.46

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Solution

The fourth proportional to 6,318.10, 9,478.88 and 1,935.46 is: 2,903.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.10 : 9,478.88 = 1,935.46 : x
  2. Step 2: Convert to fraction form
    6,318.10/9,478.88 = 1,935.46/x
  3. Step 3: Cross multiply
    6,318.10x = 9,478.88 × 1,935.46
  4. Step 4: Simplify right side
    6,318.10x = 18,345,993.08
  5. Step 5: Solve for x
    x = 18,345,993.08/6,318.10
  6. Step 6: Final answer
    x = 2,903.72

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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.