Home / 6,688.39-10,032.60-2,790.67

Finding the Fourth Proportional to 6,688.39, 10,032.60 and 2,790.67

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Solution

The fourth proportional to 6,688.39, 10,032.60 and 2,790.67 is: 4,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.39 : 10,032.60 = 2,790.67 : x
  2. Step 2: Convert to fraction form
    6,688.39/10,032.60 = 2,790.67/x
  3. Step 3: Cross multiply
    6,688.39x = 10,032.60 × 2,790.67
  4. Step 4: Simplify right side
    6,688.39x = 27,997,675.84
  5. Step 5: Solve for x
    x = 27,997,675.84/6,688.39
  6. Step 6: Final answer
    x = 4,186.01

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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.