Home / 4,638.90-6,955.92-1,865.46

Finding the Fourth Proportional to 4,638.90, 6,955.92 and 1,865.46

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Solution

The fourth proportional to 4,638.90, 6,955.92 and 1,865.46 is: 2,797.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.90 : 6,955.92 = 1,865.46 : x
  2. Step 2: Convert to fraction form
    4,638.90/6,955.92 = 1,865.46/x
  3. Step 3: Cross multiply
    4,638.90x = 6,955.92 × 1,865.46
  4. Step 4: Simplify right side
    4,638.90x = 12,975,990.52
  5. Step 5: Solve for x
    x = 12,975,990.52/4,638.90
  6. Step 6: Final answer
    x = 2,797.21

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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.