Home / 4,630.70-6,389.37-2,742.87

Finding the Fourth Proportional to 4,630.70, 6,389.37 and 2,742.87

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Solution

The fourth proportional to 4,630.70, 6,389.37 and 2,742.87 is: 3,784.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.70 : 6,389.37 = 2,742.87 : x
  2. Step 2: Convert to fraction form
    4,630.70/6,389.37 = 2,742.87/x
  3. Step 3: Cross multiply
    4,630.70x = 6,389.37 × 2,742.87
  4. Step 4: Simplify right side
    4,630.70x = 17,525,211.29
  5. Step 5: Solve for x
    x = 17,525,211.29/4,630.70
  6. Step 6: Final answer
    x = 3,784.57

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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.