Home / 4,642.90-6,964.28-1,869.51

Finding the Fourth Proportional to 4,642.90, 6,964.28 and 1,869.51

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Solution

The fourth proportional to 4,642.90, 6,964.28 and 1,869.51 is: 2,804.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.90 : 6,964.28 = 1,869.51 : x
  2. Step 2: Convert to fraction form
    4,642.90/6,964.28 = 1,869.51/x
  3. Step 3: Cross multiply
    4,642.90x = 6,964.28 × 1,869.51
  4. Step 4: Simplify right side
    4,642.90x = 13,019,750.21
  5. Step 5: Solve for x
    x = 13,019,750.21/4,642.90
  6. Step 6: Final answer
    x = 2,804.23

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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.