Home / 6,750.16-10,124.56-1,820.30

Finding the Fourth Proportional to 6,750.16, 10,124.56 and 1,820.30

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Solution

The fourth proportional to 6,750.16, 10,124.56 and 1,820.30 is: 2,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.16 : 10,124.56 = 1,820.30 : x
  2. Step 2: Convert to fraction form
    6,750.16/10,124.56 = 1,820.30/x
  3. Step 3: Cross multiply
    6,750.16x = 10,124.56 × 1,820.30
  4. Step 4: Simplify right side
    6,750.16x = 18,429,709.02
  5. Step 5: Solve for x
    x = 18,429,709.02/6,750.16
  6. Step 6: Final answer
    x = 2,730.26

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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.