Home / 4,288.24-6,430.74-1,476.28

Finding the Fourth Proportional to 4,288.24, 6,430.74 and 1,476.28

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Solution

The fourth proportional to 4,288.24, 6,430.74 and 1,476.28 is: 2,213.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.24 : 6,430.74 = 1,476.28 : x
  2. Step 2: Convert to fraction form
    4,288.24/6,430.74 = 1,476.28/x
  3. Step 3: Cross multiply
    4,288.24x = 6,430.74 × 1,476.28
  4. Step 4: Simplify right side
    4,288.24x = 9,493,572.85
  5. Step 5: Solve for x
    x = 9,493,572.85/4,288.24
  6. Step 6: Final answer
    x = 2,213.86

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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.