Home / 4,680.61-6,461.58-2,912.79

Finding the Fourth Proportional to 4,680.61, 6,461.58 and 2,912.79

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Solution

The fourth proportional to 4,680.61, 6,461.58 and 2,912.79 is: 4,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.61 : 6,461.58 = 2,912.79 : x
  2. Step 2: Convert to fraction form
    4,680.61/6,461.58 = 2,912.79/x
  3. Step 3: Cross multiply
    4,680.61x = 6,461.58 × 2,912.79
  4. Step 4: Simplify right side
    4,680.61x = 18,821,225.61
  5. Step 5: Solve for x
    x = 18,821,225.61/4,680.61
  6. Step 6: Final answer
    x = 4,021.11

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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.