Home / 4,830.60-6,665.35-2,841.55

Finding the Fourth Proportional to 4,830.60, 6,665.35 and 2,841.55

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Solution

The fourth proportional to 4,830.60, 6,665.35 and 2,841.55 is: 3,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.60 : 6,665.35 = 2,841.55 : x
  2. Step 2: Convert to fraction form
    4,830.60/6,665.35 = 2,841.55/x
  3. Step 3: Cross multiply
    4,830.60x = 6,665.35 × 2,841.55
  4. Step 4: Simplify right side
    4,830.60x = 18,939,925.29
  5. Step 5: Solve for x
    x = 18,939,925.29/4,830.60
  6. Step 6: Final answer
    x = 3,920.82

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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.