Home / 4,457.49-6,143.99-3,164.40

Finding the Fourth Proportional to 4,457.49, 6,143.99 and 3,164.40

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Solution

The fourth proportional to 4,457.49, 6,143.99 and 3,164.40 is: 4,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.49 : 6,143.99 = 3,164.40 : x
  2. Step 2: Convert to fraction form
    4,457.49/6,143.99 = 3,164.40/x
  3. Step 3: Cross multiply
    4,457.49x = 6,143.99 × 3,164.40
  4. Step 4: Simplify right side
    4,457.49x = 19,442,026.13
  5. Step 5: Solve for x
    x = 19,442,026.13/4,457.49
  6. Step 6: Final answer
    x = 4,361.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.