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Finding the Fourth Proportional to 4,699, 7,041.18 and 1,775.71

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Solution

The fourth proportional to 4,699, 7,041.18 and 1,775.71 is: 2,660.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,699 : 7,041.18 = 1,775.71 : x
  2. Step 2: Convert to fraction form
    4,699/7,041.18 = 1,775.71/x
  3. Step 3: Cross multiply
    4,699x = 7,041.18 × 1,775.71
  4. Step 4: Simplify right side
    4,699x = 12,503,093.74
  5. Step 5: Solve for x
    x = 12,503,093.74/4,699
  6. Step 6: Final answer
    x = 2,660.80

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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.