Home / 4,618.85-6,368.94-3,124.19

Finding the Fourth Proportional to 4,618.85, 6,368.94 and 3,124.19

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Solution

The fourth proportional to 4,618.85, 6,368.94 and 3,124.19 is: 4,307.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,618.85 : 6,368.94 = 3,124.19 : x
  2. Step 2: Convert to fraction form
    4,618.85/6,368.94 = 3,124.19/x
  3. Step 3: Cross multiply
    4,618.85x = 6,368.94 × 3,124.19
  4. Step 4: Simplify right side
    4,618.85x = 19,897,794.58
  5. Step 5: Solve for x
    x = 19,897,794.58/4,618.85
  6. Step 6: Final answer
    x = 4,307.96

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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.