Home / 4,777.79-7,164.05-1,853.69

Finding the Fourth Proportional to 4,777.79, 7,164.05 and 1,853.69

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Solution

The fourth proportional to 4,777.79, 7,164.05 and 1,853.69 is: 2,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.79 : 7,164.05 = 1,853.69 : x
  2. Step 2: Convert to fraction form
    4,777.79/7,164.05 = 1,853.69/x
  3. Step 3: Cross multiply
    4,777.79x = 7,164.05 × 1,853.69
  4. Step 4: Simplify right side
    4,777.79x = 13,279,882.76
  5. Step 5: Solve for x
    x = 13,279,882.76/4,777.79
  6. Step 6: Final answer
    x = 2,779.51

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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.