Home / 4,457.23-6,685.69-2,118.35

Finding the Fourth Proportional to 4,457.23, 6,685.69 and 2,118.35

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Solution

The fourth proportional to 4,457.23, 6,685.69 and 2,118.35 is: 3,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.23 : 6,685.69 = 2,118.35 : x
  2. Step 2: Convert to fraction form
    4,457.23/6,685.69 = 2,118.35/x
  3. Step 3: Cross multiply
    4,457.23x = 6,685.69 × 2,118.35
  4. Step 4: Simplify right side
    4,457.23x = 14,162,646.80
  5. Step 5: Solve for x
    x = 14,162,646.80/4,457.23
  6. Step 6: Final answer
    x = 3,177.46

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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.