Home / 5,457.60-7,530.53-3,099.28

Finding the Fourth Proportional to 5,457.60, 7,530.53 and 3,099.28

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Solution

The fourth proportional to 5,457.60, 7,530.53 and 3,099.28 is: 4,276.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.60 : 7,530.53 = 3,099.28 : x
  2. Step 2: Convert to fraction form
    5,457.60/7,530.53 = 3,099.28/x
  3. Step 3: Cross multiply
    5,457.60x = 7,530.53 × 3,099.28
  4. Step 4: Simplify right side
    5,457.60x = 23,339,221.02
  5. Step 5: Solve for x
    x = 23,339,221.02/5,457.60
  6. Step 6: Final answer
    x = 4,276.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.