Home / 4,505.60-6,218.49-2,828.40

Finding the Fourth Proportional to 4,505.60, 6,218.49 and 2,828.40

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Solution

The fourth proportional to 4,505.60, 6,218.49 and 2,828.40 is: 3,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.60 : 6,218.49 = 2,828.40 : x
  2. Step 2: Convert to fraction form
    4,505.60/6,218.49 = 2,828.40/x
  3. Step 3: Cross multiply
    4,505.60x = 6,218.49 × 2,828.40
  4. Step 4: Simplify right side
    4,505.60x = 17,588,377.12
  5. Step 5: Solve for x
    x = 17,588,377.12/4,505.60
  6. Step 6: Final answer
    x = 3,903.67

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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.