Home / 7,173.60-10,767.36-6,779.16

Finding the Fourth Proportional to 7,173.60, 10,767.36 and 6,779.16

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Solution

The fourth proportional to 7,173.60, 10,767.36 and 6,779.16 is: 10,175.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.60 : 10,767.36 = 6,779.16 : x
  2. Step 2: Convert to fraction form
    7,173.60/10,767.36 = 6,779.16/x
  3. Step 3: Cross multiply
    7,173.60x = 10,767.36 × 6,779.16
  4. Step 4: Simplify right side
    7,173.60x = 72,993,656.22
  5. Step 5: Solve for x
    x = 72,993,656.22/7,173.60
  6. Step 6: Final answer
    x = 10,175.32

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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.