Home / 6,518.88-8,994.51-3,686.09

Finding the Fourth Proportional to 6,518.88, 8,994.51 and 3,686.09

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Solution

The fourth proportional to 6,518.88, 8,994.51 and 3,686.09 is: 5,085.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,518.88 : 8,994.51 = 3,686.09 : x
  2. Step 2: Convert to fraction form
    6,518.88/8,994.51 = 3,686.09/x
  3. Step 3: Cross multiply
    6,518.88x = 8,994.51 × 3,686.09
  4. Step 4: Simplify right side
    6,518.88x = 33,154,528.39
  5. Step 5: Solve for x
    x = 33,154,528.39/6,518.88
  6. Step 6: Final answer
    x = 5,085.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.