Home / 4,211.39-6,317.00-1,870.76

Finding the Fourth Proportional to 4,211.39, 6,317.00 and 1,870.76

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Solution

The fourth proportional to 4,211.39, 6,317.00 and 1,870.76 is: 2,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.39 : 6,317.00 = 1,870.76 : x
  2. Step 2: Convert to fraction form
    4,211.39/6,317.00 = 1,870.76/x
  3. Step 3: Cross multiply
    4,211.39x = 6,317.00 × 1,870.76
  4. Step 4: Simplify right side
    4,211.39x = 11,817,614.90
  5. Step 5: Solve for x
    x = 11,817,614.90/4,211.39
  6. Step 6: Final answer
    x = 2,806.11

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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.