Home / 4,643.29-6,967.62-1,870.21

Finding the Fourth Proportional to 4,643.29, 6,967.62 and 1,870.21

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Solution

The fourth proportional to 4,643.29, 6,967.62 and 1,870.21 is: 2,806.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.29 : 6,967.62 = 1,870.21 : x
  2. Step 2: Convert to fraction form
    4,643.29/6,967.62 = 1,870.21/x
  3. Step 3: Cross multiply
    4,643.29x = 6,967.62 × 1,870.21
  4. Step 4: Simplify right side
    4,643.29x = 13,030,912.60
  5. Step 5: Solve for x
    x = 13,030,912.60/4,643.29
  6. Step 6: Final answer
    x = 2,806.40

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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.