Home / 4,811.49-7,216.78-1,526.74

Finding the Fourth Proportional to 4,811.49, 7,216.78 and 1,526.74

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Solution

The fourth proportional to 4,811.49, 7,216.78 and 1,526.74 is: 2,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.49 : 7,216.78 = 1,526.74 : x
  2. Step 2: Convert to fraction form
    4,811.49/7,216.78 = 1,526.74/x
  3. Step 3: Cross multiply
    4,811.49x = 7,216.78 × 1,526.74
  4. Step 4: Simplify right side
    4,811.49x = 11,018,146.70
  5. Step 5: Solve for x
    x = 11,018,146.70/4,811.49
  6. Step 6: Final answer
    x = 2,289.97

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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.