Home / 4,000.24-6,000.76-1,403.28

Finding the Fourth Proportional to 4,000.24, 6,000.76 and 1,403.28

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Solution

The fourth proportional to 4,000.24, 6,000.76 and 1,403.28 is: 2,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.24 : 6,000.76 = 1,403.28 : x
  2. Step 2: Convert to fraction form
    4,000.24/6,000.76 = 1,403.28/x
  3. Step 3: Cross multiply
    4,000.24x = 6,000.76 × 1,403.28
  4. Step 4: Simplify right side
    4,000.24x = 8,420,746.49
  5. Step 5: Solve for x
    x = 8,420,746.49/4,000.24
  6. Step 6: Final answer
    x = 2,105.06

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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.