Home / 6,797.72-9,378.47-4,280.05

Finding the Fourth Proportional to 6,797.72, 9,378.47 and 4,280.05

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Solution

The fourth proportional to 6,797.72, 9,378.47 and 4,280.05 is: 5,904.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,797.72 : 9,378.47 = 4,280.05 : x
  2. Step 2: Convert to fraction form
    6,797.72/9,378.47 = 4,280.05/x
  3. Step 3: Cross multiply
    6,797.72x = 9,378.47 × 4,280.05
  4. Step 4: Simplify right side
    6,797.72x = 40,140,307.78
  5. Step 5: Solve for x
    x = 40,140,307.78/6,797.72
  6. Step 6: Final answer
    x = 5,904.97

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Double scale
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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.