Home / 7,638.03-11,457.23-2,443.91

Finding the Fourth Proportional to 7,638.03, 11,457.23 and 2,443.91

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Solution

The fourth proportional to 7,638.03, 11,457.23 and 2,443.91 is: 3,665.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.03 : 11,457.23 = 2,443.91 : x
  2. Step 2: Convert to fraction form
    7,638.03/11,457.23 = 2,443.91/x
  3. Step 3: Cross multiply
    7,638.03x = 11,457.23 × 2,443.91
  4. Step 4: Simplify right side
    7,638.03x = 28,000,369.46
  5. Step 5: Solve for x
    x = 28,000,369.46/7,638.03
  6. Step 6: Final answer
    x = 3,665.92

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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.