Home / 4,984.04-7,475.78-1,286.45

Finding the Fourth Proportional to 4,984.04, 7,475.78 and 1,286.45

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Solution

The fourth proportional to 4,984.04, 7,475.78 and 1,286.45 is: 1,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,984.04 : 7,475.78 = 1,286.45 : x
  2. Step 2: Convert to fraction form
    4,984.04/7,475.78 = 1,286.45/x
  3. Step 3: Cross multiply
    4,984.04x = 7,475.78 × 1,286.45
  4. Step 4: Simplify right side
    4,984.04x = 9,617,173.37
  5. Step 5: Solve for x
    x = 9,617,173.37/4,984.04
  6. Step 6: Final answer
    x = 1,929.60

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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.