Home / 8,510.90-12,767.27-2,587.77

Finding the Fourth Proportional to 8,510.90, 12,767.27 and 2,587.77

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Solution

The fourth proportional to 8,510.90, 12,767.27 and 2,587.77 is: 3,881.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.90 : 12,767.27 = 2,587.77 : x
  2. Step 2: Convert to fraction form
    8,510.90/12,767.27 = 2,587.77/x
  3. Step 3: Cross multiply
    8,510.90x = 12,767.27 × 2,587.77
  4. Step 4: Simplify right side
    8,510.90x = 33,038,745.35
  5. Step 5: Solve for x
    x = 33,038,745.35/8,510.90
  6. Step 6: Final answer
    x = 3,881.94

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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.