Home / 7,091.18-10,656.22-6,688.62

Finding the Fourth Proportional to 7,091.18, 10,656.22 and 6,688.62

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Solution

The fourth proportional to 7,091.18, 10,656.22 and 6,688.62 is: 10,051.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.18 : 10,656.22 = 6,688.62 : x
  2. Step 2: Convert to fraction form
    7,091.18/10,656.22 = 6,688.62/x
  3. Step 3: Cross multiply
    7,091.18x = 10,656.22 × 6,688.62
  4. Step 4: Simplify right side
    7,091.18x = 71,275,406.22
  5. Step 5: Solve for x
    x = 71,275,406.22/7,091.18
  6. Step 6: Final answer
    x = 10,051.28

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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.