Home / 6,453.18-9,678.86-2,070.07

Finding the Fourth Proportional to 6,453.18, 9,678.86 and 2,070.07

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Solution

The fourth proportional to 6,453.18, 9,678.86 and 2,070.07 is: 3,104.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.18 : 9,678.86 = 2,070.07 : x
  2. Step 2: Convert to fraction form
    6,453.18/9,678.86 = 2,070.07/x
  3. Step 3: Cross multiply
    6,453.18x = 9,678.86 × 2,070.07
  4. Step 4: Simplify right side
    6,453.18x = 20,035,883.17
  5. Step 5: Solve for x
    x = 20,035,883.17/6,453.18
  6. Step 6: Final answer
    x = 3,104.81

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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.