Home / 4,459.12-6,689.09-1,172.23

Finding the Fourth Proportional to 4,459.12, 6,689.09 and 1,172.23

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Solution

The fourth proportional to 4,459.12, 6,689.09 and 1,172.23 is: 1,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,459.12 : 6,689.09 = 1,172.23 : x
  2. Step 2: Convert to fraction form
    4,459.12/6,689.09 = 1,172.23/x
  3. Step 3: Cross multiply
    4,459.12x = 6,689.09 × 1,172.23
  4. Step 4: Simplify right side
    4,459.12x = 7,841,138.18
  5. Step 5: Solve for x
    x = 7,841,138.18/4,459.12
  6. Step 6: Final answer
    x = 1,758.45

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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.