Home / 7,114.56-10,656.96-5,720.36

Finding the Fourth Proportional to 7,114.56, 10,656.96 and 5,720.36

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Solution

The fourth proportional to 7,114.56, 10,656.96 and 5,720.36 is: 8,568.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.56 : 10,656.96 = 5,720.36 : x
  2. Step 2: Convert to fraction form
    7,114.56/10,656.96 = 5,720.36/x
  3. Step 3: Cross multiply
    7,114.56x = 10,656.96 × 5,720.36
  4. Step 4: Simplify right side
    7,114.56x = 60,961,594.42
  5. Step 5: Solve for x
    x = 60,961,594.42/7,114.56
  6. Step 6: Final answer
    x = 8,568.57

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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.