Home / 7,438.72-11,157.08-2,508.32

Finding the Fourth Proportional to 7,438.72, 11,157.08 and 2,508.32

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Solution

The fourth proportional to 7,438.72, 11,157.08 and 2,508.32 is: 3,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.72 : 11,157.08 = 2,508.32 : x
  2. Step 2: Convert to fraction form
    7,438.72/11,157.08 = 2,508.32/x
  3. Step 3: Cross multiply
    7,438.72x = 11,157.08 × 2,508.32
  4. Step 4: Simplify right side
    7,438.72x = 27,985,526.91
  5. Step 5: Solve for x
    x = 27,985,526.91/7,438.72
  6. Step 6: Final answer
    x = 3,762.14

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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.