Home / 8,029.13-12,038.63-3,870.18

Finding the Fourth Proportional to 8,029.13, 12,038.63 and 3,870.18

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Solution

The fourth proportional to 8,029.13, 12,038.63 and 3,870.18 is: 5,802.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,029.13 : 12,038.63 = 3,870.18 : x
  2. Step 2: Convert to fraction form
    8,029.13/12,038.63 = 3,870.18/x
  3. Step 3: Cross multiply
    8,029.13x = 12,038.63 × 3,870.18
  4. Step 4: Simplify right side
    8,029.13x = 46,591,645.70
  5. Step 5: Solve for x
    x = 46,591,645.70/8,029.13
  6. Step 6: Final answer
    x = 5,802.83

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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.