Home / 6,148.60-9,206.51-3,220.76

Finding the Fourth Proportional to 6,148.60, 9,206.51 and 3,220.76

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Solution

The fourth proportional to 6,148.60, 9,206.51 and 3,220.76 is: 4,822.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,148.60 : 9,206.51 = 3,220.76 : x
  2. Step 2: Convert to fraction form
    6,148.60/9,206.51 = 3,220.76/x
  3. Step 3: Cross multiply
    6,148.60x = 9,206.51 × 3,220.76
  4. Step 4: Simplify right side
    6,148.60x = 29,651,966.06
  5. Step 5: Solve for x
    x = 29,651,966.06/6,148.60
  6. Step 6: Final answer
    x = 4,822.56

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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.