Home / 6,263.45-8,643.67-3,430.78

Finding the Fourth Proportional to 6,263.45, 8,643.67 and 3,430.78

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Solution

The fourth proportional to 6,263.45, 8,643.67 and 3,430.78 is: 4,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.45 : 8,643.67 = 3,430.78 : x
  2. Step 2: Convert to fraction form
    6,263.45/8,643.67 = 3,430.78/x
  3. Step 3: Cross multiply
    6,263.45x = 8,643.67 × 3,430.78
  4. Step 4: Simplify right side
    6,263.45x = 29,654,530.16
  5. Step 5: Solve for x
    x = 29,654,530.16/6,263.45
  6. Step 6: Final answer
    x = 4,734.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.