Home / 4,771.76-7,155.65-1,848.38

Finding the Fourth Proportional to 4,771.76, 7,155.65 and 1,848.38

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Solution

The fourth proportional to 4,771.76, 7,155.65 and 1,848.38 is: 2,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,771.76 : 7,155.65 = 1,848.38 : x
  2. Step 2: Convert to fraction form
    4,771.76/7,155.65 = 1,848.38/x
  3. Step 3: Cross multiply
    4,771.76x = 7,155.65 × 1,848.38
  4. Step 4: Simplify right side
    4,771.76x = 13,226,360.35
  5. Step 5: Solve for x
    x = 13,226,360.35/4,771.76
  6. Step 6: Final answer
    x = 2,771.80

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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.