Home / 4,724.21-7,084.08-1,603.68

Finding the Fourth Proportional to 4,724.21, 7,084.08 and 1,603.68

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Solution

The fourth proportional to 4,724.21, 7,084.08 and 1,603.68 is: 2,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,724.21 : 7,084.08 = 1,603.68 : x
  2. Step 2: Convert to fraction form
    4,724.21/7,084.08 = 1,603.68/x
  3. Step 3: Cross multiply
    4,724.21x = 7,084.08 × 1,603.68
  4. Step 4: Simplify right side
    4,724.21x = 11,360,597.41
  5. Step 5: Solve for x
    x = 11,360,597.41/4,724.21
  6. Step 6: Final answer
    x = 2,404.76

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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.