Home / 4,638.18-6,955.98-2,171.70

Finding the Fourth Proportional to 4,638.18, 6,955.98 and 2,171.70

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Solution

The fourth proportional to 4,638.18, 6,955.98 and 2,171.70 is: 3,256.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.18 : 6,955.98 = 2,171.70 : x
  2. Step 2: Convert to fraction form
    4,638.18/6,955.98 = 2,171.70/x
  3. Step 3: Cross multiply
    4,638.18x = 6,955.98 × 2,171.70
  4. Step 4: Simplify right side
    4,638.18x = 15,106,301.77
  5. Step 5: Solve for x
    x = 15,106,301.77/4,638.18
  6. Step 6: Final answer
    x = 3,256.95

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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.