Home / 4,658.35-6,987.32-1,148.19

Finding the Fourth Proportional to 4,658.35, 6,987.32 and 1,148.19

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Solution

The fourth proportional to 4,658.35, 6,987.32 and 1,148.19 is: 1,722.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.35 : 6,987.32 = 1,148.19 : x
  2. Step 2: Convert to fraction form
    4,658.35/6,987.32 = 1,148.19/x
  3. Step 3: Cross multiply
    4,658.35x = 6,987.32 × 1,148.19
  4. Step 4: Simplify right side
    4,658.35x = 8,022,770.95
  5. Step 5: Solve for x
    x = 8,022,770.95/4,658.35
  6. Step 6: Final answer
    x = 1,722.23

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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.