Home / 4,457.04-6,685.41-2,118.74

Finding the Fourth Proportional to 4,457.04, 6,685.41 and 2,118.74

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Solution

The fourth proportional to 4,457.04, 6,685.41 and 2,118.74 is: 3,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.04 : 6,685.41 = 2,118.74 : x
  2. Step 2: Convert to fraction form
    4,457.04/6,685.41 = 2,118.74/x
  3. Step 3: Cross multiply
    4,457.04x = 6,685.41 × 2,118.74
  4. Step 4: Simplify right side
    4,457.04x = 14,164,612.16
  5. Step 5: Solve for x
    x = 14,164,612.16/4,457.04
  6. Step 6: Final answer
    x = 3,178.03

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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.