Home / 6,423.98-9,638.34-4,589.54

Finding the Fourth Proportional to 6,423.98, 9,638.34 and 4,589.54

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Solution

The fourth proportional to 6,423.98, 9,638.34 and 4,589.54 is: 6,885.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.98 : 9,638.34 = 4,589.54 : x
  2. Step 2: Convert to fraction form
    6,423.98/9,638.34 = 4,589.54/x
  3. Step 3: Cross multiply
    6,423.98x = 9,638.34 × 4,589.54
  4. Step 4: Simplify right side
    6,423.98x = 44,235,498.77
  5. Step 5: Solve for x
    x = 44,235,498.77/6,423.98
  6. Step 6: Final answer
    x = 6,885.99

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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.