Home / 4,775.08-7,161.18-1,853.80

Finding the Fourth Proportional to 4,775.08, 7,161.18 and 1,853.80

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Solution

The fourth proportional to 4,775.08, 7,161.18 and 1,853.80 is: 2,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,775.08 : 7,161.18 = 1,853.80 : x
  2. Step 2: Convert to fraction form
    4,775.08/7,161.18 = 1,853.80/x
  3. Step 3: Cross multiply
    4,775.08x = 7,161.18 × 1,853.80
  4. Step 4: Simplify right side
    4,775.08x = 13,275,395.48
  5. Step 5: Solve for x
    x = 13,275,395.48/4,775.08
  6. Step 6: Final answer
    x = 2,780.14

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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.