Home / 8,530.77-12,797.55-2,686.02

Finding the Fourth Proportional to 8,530.77, 12,797.55 and 2,686.02

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Solution

The fourth proportional to 8,530.77, 12,797.55 and 2,686.02 is: 4,029.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.77 : 12,797.55 = 2,686.02 : x
  2. Step 2: Convert to fraction form
    8,530.77/12,797.55 = 2,686.02/x
  3. Step 3: Cross multiply
    8,530.77x = 12,797.55 × 2,686.02
  4. Step 4: Simplify right side
    8,530.77x = 34,374,417.98
  5. Step 5: Solve for x
    x = 34,374,417.98/8,530.77
  6. Step 6: Final answer
    x = 4,029.46

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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.