Home / 6,457.18-9,684.85-2,074.07

Finding the Fourth Proportional to 6,457.18, 9,684.85 and 2,074.07

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Solution

The fourth proportional to 6,457.18, 9,684.85 and 2,074.07 is: 3,110.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.18 : 9,684.85 = 2,074.07 : x
  2. Step 2: Convert to fraction form
    6,457.18/9,684.85 = 2,074.07/x
  3. Step 3: Cross multiply
    6,457.18x = 9,684.85 × 2,074.07
  4. Step 4: Simplify right side
    6,457.18x = 20,087,056.84
  5. Step 5: Solve for x
    x = 20,087,056.84/6,457.18
  6. Step 6: Final answer
    x = 3,110.81

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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.