Home / 6,430.23-9,643.88-3,096.78

Finding the Fourth Proportional to 6,430.23, 9,643.88 and 3,096.78

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Solution

The fourth proportional to 6,430.23, 9,643.88 and 3,096.78 is: 4,644.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.23 : 9,643.88 = 3,096.78 : x
  2. Step 2: Convert to fraction form
    6,430.23/9,643.88 = 3,096.78/x
  3. Step 3: Cross multiply
    6,430.23x = 9,643.88 × 3,096.78
  4. Step 4: Simplify right side
    6,430.23x = 29,864,937.57
  5. Step 5: Solve for x
    x = 29,864,937.57/6,430.23
  6. Step 6: Final answer
    x = 4,644.46

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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.