Home / 6,453.41-9,680.45-2,070.90

Finding the Fourth Proportional to 6,453.41, 9,680.45 and 2,070.90

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Solution

The fourth proportional to 6,453.41, 9,680.45 and 2,070.90 is: 3,106.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.41 : 9,680.45 = 2,070.90 : x
  2. Step 2: Convert to fraction form
    6,453.41/9,680.45 = 2,070.90/x
  3. Step 3: Cross multiply
    6,453.41x = 9,680.45 × 2,070.90
  4. Step 4: Simplify right side
    6,453.41x = 20,047,233.55
  5. Step 5: Solve for x
    x = 20,047,233.55/6,453.41
  6. Step 6: Final answer
    x = 3,106.46

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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.