Home / 4,457.56-6,685.70-1,379.16

Finding the Fourth Proportional to 4,457.56, 6,685.70 and 1,379.16

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Solution

The fourth proportional to 4,457.56, 6,685.70 and 1,379.16 is: 2,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.56 : 6,685.70 = 1,379.16 : x
  2. Step 2: Convert to fraction form
    4,457.56/6,685.70 = 1,379.16/x
  3. Step 3: Cross multiply
    4,457.56x = 6,685.70 × 1,379.16
  4. Step 4: Simplify right side
    4,457.56x = 9,220,650.01
  5. Step 5: Solve for x
    x = 9,220,650.01/4,457.56
  6. Step 6: Final answer
    x = 2,068.54

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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.