Home / 4,615.45-6,919.04-2,148.93

Finding the Fourth Proportional to 4,615.45, 6,919.04 and 2,148.93

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Solution

The fourth proportional to 4,615.45, 6,919.04 and 2,148.93 is: 3,221.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,615.45 : 6,919.04 = 2,148.93 : x
  2. Step 2: Convert to fraction form
    4,615.45/6,919.04 = 2,148.93/x
  3. Step 3: Cross multiply
    4,615.45x = 6,919.04 × 2,148.93
  4. Step 4: Simplify right side
    4,615.45x = 14,868,538.00
  5. Step 5: Solve for x
    x = 14,868,538.00/4,615.45
  6. Step 6: Final answer
    x = 3,221.47

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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.