Home / 4,284.23-6,430.71-2,309.78

Finding the Fourth Proportional to 4,284.23, 6,430.71 and 2,309.78

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Solution

The fourth proportional to 4,284.23, 6,430.71 and 2,309.78 is: 3,467.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,284.23 : 6,430.71 = 2,309.78 : x
  2. Step 2: Convert to fraction form
    4,284.23/6,430.71 = 2,309.78/x
  3. Step 3: Cross multiply
    4,284.23x = 6,430.71 × 2,309.78
  4. Step 4: Simplify right side
    4,284.23x = 14,853,525.34
  5. Step 5: Solve for x
    x = 14,853,525.34/4,284.23
  6. Step 6: Final answer
    x = 3,467.02

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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.