Home / 4,553.51-6,828.72-1,779.45

Finding the Fourth Proportional to 4,553.51, 6,828.72 and 1,779.45

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Solution

The fourth proportional to 4,553.51, 6,828.72 and 1,779.45 is: 2,668.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.51 : 6,828.72 = 1,779.45 : x
  2. Step 2: Convert to fraction form
    4,553.51/6,828.72 = 1,779.45/x
  3. Step 3: Cross multiply
    4,553.51x = 6,828.72 × 1,779.45
  4. Step 4: Simplify right side
    4,553.51x = 12,151,365.80
  5. Step 5: Solve for x
    x = 12,151,365.80/4,553.51
  6. Step 6: Final answer
    x = 2,668.57

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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.