Home / 6,148.71-8,485.20-3,354.21

Finding the Fourth Proportional to 6,148.71, 8,485.20 and 3,354.21

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Solution

The fourth proportional to 6,148.71, 8,485.20 and 3,354.21 is: 4,628.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.71 : 8,485.20 = 3,354.21 : x
  2. Step 2: Convert to fraction form
    6,148.71/8,485.20 = 3,354.21/x
  3. Step 3: Cross multiply
    6,148.71x = 8,485.20 × 3,354.21
  4. Step 4: Simplify right side
    6,148.71x = 28,461,142.69
  5. Step 5: Solve for x
    x = 28,461,142.69/6,148.71
  6. Step 6: Final answer
    x = 4,628.80

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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.