Home / 7,985.43-10,994.81-6,788.05

Finding the Fourth Proportional to 7,985.43, 10,994.81 and 6,788.05

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Solution

The fourth proportional to 7,985.43, 10,994.81 and 6,788.05 is: 9,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,985.43 : 10,994.81 = 6,788.05 : x
  2. Step 2: Convert to fraction form
    7,985.43/10,994.81 = 6,788.05/x
  3. Step 3: Cross multiply
    7,985.43x = 10,994.81 × 6,788.05
  4. Step 4: Simplify right side
    7,985.43x = 74,633,258.59
  5. Step 5: Solve for x
    x = 74,633,258.59/7,985.43
  6. Step 6: Final answer
    x = 9,346.18

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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.