Home / 6,424.12-9,630.90-3,133.72

Finding the Fourth Proportional to 6,424.12, 9,630.90 and 3,133.72

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Solution

The fourth proportional to 6,424.12, 9,630.90 and 3,133.72 is: 4,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.12 : 9,630.90 = 3,133.72 : x
  2. Step 2: Convert to fraction form
    6,424.12/9,630.90 = 3,133.72/x
  3. Step 3: Cross multiply
    6,424.12x = 9,630.90 × 3,133.72
  4. Step 4: Simplify right side
    6,424.12x = 30,180,543.95
  5. Step 5: Solve for x
    x = 30,180,543.95/6,424.12
  6. Step 6: Final answer
    x = 4,698.00

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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.