Home / 4,211.88-6,315.12-1,748.40

Finding the Fourth Proportional to 4,211.88, 6,315.12 and 1,748.40

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Solution

The fourth proportional to 4,211.88, 6,315.12 and 1,748.40 is: 2,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.88 : 6,315.12 = 1,748.40 : x
  2. Step 2: Convert to fraction form
    4,211.88/6,315.12 = 1,748.40/x
  3. Step 3: Cross multiply
    4,211.88x = 6,315.12 × 1,748.40
  4. Step 4: Simplify right side
    4,211.88x = 11,041,355.81
  5. Step 5: Solve for x
    x = 11,041,355.81/4,211.88
  6. Step 6: Final answer
    x = 2,621.48

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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.