Home / 6,806.19-10,209.28-1,875.87

Finding the Fourth Proportional to 6,806.19, 10,209.28 and 1,875.87

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Solution

The fourth proportional to 6,806.19, 10,209.28 and 1,875.87 is: 2,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.19 : 10,209.28 = 1,875.87 : x
  2. Step 2: Convert to fraction form
    6,806.19/10,209.28 = 1,875.87/x
  3. Step 3: Cross multiply
    6,806.19x = 10,209.28 × 1,875.87
  4. Step 4: Simplify right side
    6,806.19x = 19,151,282.07
  5. Step 5: Solve for x
    x = 19,151,282.07/6,806.19
  6. Step 6: Final answer
    x = 2,813.80

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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.