Home / 4,000.47-6,005.91-2,690.09

Finding the Fourth Proportional to 4,000.47, 6,005.91 and 2,690.09

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Solution

The fourth proportional to 4,000.47, 6,005.91 and 2,690.09 is: 4,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.47 : 6,005.91 = 2,690.09 : x
  2. Step 2: Convert to fraction form
    4,000.47/6,005.91 = 2,690.09/x
  3. Step 3: Cross multiply
    4,000.47x = 6,005.91 × 2,690.09
  4. Step 4: Simplify right side
    4,000.47x = 16,156,438.43
  5. Step 5: Solve for x
    x = 16,156,438.43/4,000.47
  6. Step 6: Final answer
    x = 4,038.64

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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.