Home / 7,378.40-11,068.14-2,994.68

Finding the Fourth Proportional to 7,378.40, 11,068.14 and 2,994.68

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Solution

The fourth proportional to 7,378.40, 11,068.14 and 2,994.68 is: 4,492.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.40 : 11,068.14 = 2,994.68 : x
  2. Step 2: Convert to fraction form
    7,378.40/11,068.14 = 2,994.68/x
  3. Step 3: Cross multiply
    7,378.40x = 11,068.14 × 2,994.68
  4. Step 4: Simplify right side
    7,378.40x = 33,145,537.50
  5. Step 5: Solve for x
    x = 33,145,537.50/7,378.40
  6. Step 6: Final answer
    x = 4,492.24

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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.