Home / 6,426.72-9,639.44-4,560.57

Finding the Fourth Proportional to 6,426.72, 9,639.44 and 4,560.57

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Solution

The fourth proportional to 6,426.72, 9,639.44 and 4,560.57 is: 6,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.72 : 9,639.44 = 4,560.57 : x
  2. Step 2: Convert to fraction form
    6,426.72/9,639.44 = 4,560.57/x
  3. Step 3: Cross multiply
    6,426.72x = 9,639.44 × 4,560.57
  4. Step 4: Simplify right side
    6,426.72x = 43,961,318.08
  5. Step 5: Solve for x
    x = 43,961,318.08/6,426.72
  6. Step 6: Final answer
    x = 6,840.40

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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.