Home / 4,630.36-6,389.90-2,505.89

Finding the Fourth Proportional to 4,630.36, 6,389.90 and 2,505.89

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Solution

The fourth proportional to 4,630.36, 6,389.90 and 2,505.89 is: 3,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.36 : 6,389.90 = 2,505.89 : x
  2. Step 2: Convert to fraction form
    4,630.36/6,389.90 = 2,505.89/x
  3. Step 3: Cross multiply
    4,630.36x = 6,389.90 × 2,505.89
  4. Step 4: Simplify right side
    4,630.36x = 16,012,354.56
  5. Step 5: Solve for x
    x = 16,012,354.56/4,630.36
  6. Step 6: Final answer
    x = 3,458.12

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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.