Home / 6,783.15-10,173.95-1,853.19

Finding the Fourth Proportional to 6,783.15, 10,173.95 and 1,853.19

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Solution

The fourth proportional to 6,783.15, 10,173.95 and 1,853.19 is: 2,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,783.15 : 10,173.95 = 1,853.19 : x
  2. Step 2: Convert to fraction form
    6,783.15/10,173.95 = 1,853.19/x
  3. Step 3: Cross multiply
    6,783.15x = 10,173.95 × 1,853.19
  4. Step 4: Simplify right side
    6,783.15x = 18,854,202.26
  5. Step 5: Solve for x
    x = 18,854,202.26/6,783.15
  6. Step 6: Final answer
    x = 2,779.57

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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.