Home / 4,630.08-6,389.18-2,640.54

Finding the Fourth Proportional to 4,630.08, 6,389.18 and 2,640.54

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Solution

The fourth proportional to 4,630.08, 6,389.18 and 2,640.54 is: 3,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.08 : 6,389.18 = 2,640.54 : x
  2. Step 2: Convert to fraction form
    4,630.08/6,389.18 = 2,640.54/x
  3. Step 3: Cross multiply
    4,630.08x = 6,389.18 × 2,640.54
  4. Step 4: Simplify right side
    4,630.08x = 16,870,885.36
  5. Step 5: Solve for x
    x = 16,870,885.36/4,630.08
  6. Step 6: Final answer
    x = 3,643.76

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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.