Home / 4,152.89-6,228.28-1,230.51

Finding the Fourth Proportional to 4,152.89, 6,228.28 and 1,230.51

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Solution

The fourth proportional to 4,152.89, 6,228.28 and 1,230.51 is: 1,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.89 : 6,228.28 = 1,230.51 : x
  2. Step 2: Convert to fraction form
    4,152.89/6,228.28 = 1,230.51/x
  3. Step 3: Cross multiply
    4,152.89x = 6,228.28 × 1,230.51
  4. Step 4: Simplify right side
    4,152.89x = 7,663,978.80
  5. Step 5: Solve for x
    x = 7,663,978.80/4,152.89
  6. Step 6: Final answer
    x = 1,845.46

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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.