Home / 8,042.90-12,055.03-4,758.76

Finding the Fourth Proportional to 8,042.90, 12,055.03 and 4,758.76

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Solution

The fourth proportional to 8,042.90, 12,055.03 and 4,758.76 is: 7,132.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042.90 : 12,055.03 = 4,758.76 : x
  2. Step 2: Convert to fraction form
    8,042.90/12,055.03 = 4,758.76/x
  3. Step 3: Cross multiply
    8,042.90x = 12,055.03 × 4,758.76
  4. Step 4: Simplify right side
    8,042.90x = 57,366,994.56
  5. Step 5: Solve for x
    x = 57,366,994.56/8,042.90
  6. Step 6: Final answer
    x = 7,132.63

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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.