Home / 4,686.52-7,030.94-1,765

Finding the Fourth Proportional to 4,686.52, 7,030.94 and 1,765

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Solution

The fourth proportional to 4,686.52, 7,030.94 and 1,765 is: 2,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.52 : 7,030.94 = 1,765 : x
  2. Step 2: Convert to fraction form
    4,686.52/7,030.94 = 1,765/x
  3. Step 3: Cross multiply
    4,686.52x = 7,030.94 × 1,765
  4. Step 4: Simplify right side
    4,686.52x = 12,409,609.10
  5. Step 5: Solve for x
    x = 12,409,609.10/4,686.52
  6. Step 6: Final answer
    x = 2,647.94

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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.