Home / 5,457.02-7,530.87-3,099.16

Finding the Fourth Proportional to 5,457.02, 7,530.87 and 3,099.16

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Solution

The fourth proportional to 5,457.02, 7,530.87 and 3,099.16 is: 4,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,457.02 : 7,530.87 = 3,099.16 : x
  2. Step 2: Convert to fraction form
    5,457.02/7,530.87 = 3,099.16/x
  3. Step 3: Cross multiply
    5,457.02x = 7,530.87 × 3,099.16
  4. Step 4: Simplify right side
    5,457.02x = 23,339,392.10
  5. Step 5: Solve for x
    x = 23,339,392.10/5,457.02
  6. Step 6: Final answer
    x = 4,276.95

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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.