Home / 4,869.06-7,302.78-1,405.50

Finding the Fourth Proportional to 4,869.06, 7,302.78 and 1,405.50

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Solution

The fourth proportional to 4,869.06, 7,302.78 and 1,405.50 is: 2,108.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.06 : 7,302.78 = 1,405.50 : x
  2. Step 2: Convert to fraction form
    4,869.06/7,302.78 = 1,405.50/x
  3. Step 3: Cross multiply
    4,869.06x = 7,302.78 × 1,405.50
  4. Step 4: Simplify right side
    4,869.06x = 10,264,057.29
  5. Step 5: Solve for x
    x = 10,264,057.29/4,869.06
  6. Step 6: Final answer
    x = 2,108.02

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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.