Home / 6,457.32-9,685.87-3,678.06

Finding the Fourth Proportional to 6,457.32, 9,685.87 and 3,678.06

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Solution

The fourth proportional to 6,457.32, 9,685.87 and 3,678.06 is: 5,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.32 : 9,685.87 = 3,678.06 : x
  2. Step 2: Convert to fraction form
    6,457.32/9,685.87 = 3,678.06/x
  3. Step 3: Cross multiply
    6,457.32x = 9,685.87 × 3,678.06
  4. Step 4: Simplify right side
    6,457.32x = 35,625,211.01
  5. Step 5: Solve for x
    x = 35,625,211.01/6,457.32
  6. Step 6: Final answer
    x = 5,517.03

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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.