Home / 4,026.48-6,040.28-1,428.80

Finding the Fourth Proportional to 4,026.48, 6,040.28 and 1,428.80

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Solution

The fourth proportional to 4,026.48, 6,040.28 and 1,428.80 is: 2,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,026.48 : 6,040.28 = 1,428.80 : x
  2. Step 2: Convert to fraction form
    4,026.48/6,040.28 = 1,428.80/x
  3. Step 3: Cross multiply
    4,026.48x = 6,040.28 × 1,428.80
  4. Step 4: Simplify right side
    4,026.48x = 8,630,352.06
  5. Step 5: Solve for x
    x = 8,630,352.06/4,026.48
  6. Step 6: Final answer
    x = 2,143.40

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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.