Home / 4,977.34-7,464.69-1,689.75

Finding the Fourth Proportional to 4,977.34, 7,464.69 and 1,689.75

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Solution

The fourth proportional to 4,977.34, 7,464.69 and 1,689.75 is: 2,534.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.34 : 7,464.69 = 1,689.75 : x
  2. Step 2: Convert to fraction form
    4,977.34/7,464.69 = 1,689.75/x
  3. Step 3: Cross multiply
    4,977.34x = 7,464.69 × 1,689.75
  4. Step 4: Simplify right side
    4,977.34x = 12,613,459.93
  5. Step 5: Solve for x
    x = 12,613,459.93/4,977.34
  6. Step 6: Final answer
    x = 2,534.18

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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.