Home / 4,985.10-7,457.04-4,097.58

Finding the Fourth Proportional to 4,985.10, 7,457.04 and 4,097.58

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Solution

The fourth proportional to 4,985.10, 7,457.04 and 4,097.58 is: 6,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.10 : 7,457.04 = 4,097.58 : x
  2. Step 2: Convert to fraction form
    4,985.10/7,457.04 = 4,097.58/x
  3. Step 3: Cross multiply
    4,985.10x = 7,457.04 × 4,097.58
  4. Step 4: Simplify right side
    4,985.10x = 30,555,817.96
  5. Step 5: Solve for x
    x = 30,555,817.96/4,985.10
  6. Step 6: Final answer
    x = 6,129.43

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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.