Home / 4,820.76-7,228.44-1,898.28

Finding the Fourth Proportional to 4,820.76, 7,228.44 and 1,898.28

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Solution

The fourth proportional to 4,820.76, 7,228.44 and 1,898.28 is: 2,846.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820.76 : 7,228.44 = 1,898.28 : x
  2. Step 2: Convert to fraction form
    4,820.76/7,228.44 = 1,898.28/x
  3. Step 3: Cross multiply
    4,820.76x = 7,228.44 × 1,898.28
  4. Step 4: Simplify right side
    4,820.76x = 13,721,603.08
  5. Step 5: Solve for x
    x = 13,721,603.08/4,820.76
  6. Step 6: Final answer
    x = 2,846.36

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1.5x scale

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.