Home / 7,914.62-10,922.34-4,378.08

Finding the Fourth Proportional to 7,914.62, 10,922.34 and 4,378.08

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Solution

The fourth proportional to 7,914.62, 10,922.34 and 4,378.08 is: 6,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,914.62 : 10,922.34 = 4,378.08 : x
  2. Step 2: Convert to fraction form
    7,914.62/10,922.34 = 4,378.08/x
  3. Step 3: Cross multiply
    7,914.62x = 10,922.34 × 4,378.08
  4. Step 4: Simplify right side
    7,914.62x = 47,818,878.31
  5. Step 5: Solve for x
    x = 47,818,878.31/7,914.62
  6. Step 6: Final answer
    x = 6,041.84

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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.