Home / 5,113.02-7,056.64-3,123.16

Finding the Fourth Proportional to 5,113.02, 7,056.64 and 3,123.16

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Solution

The fourth proportional to 5,113.02, 7,056.64 and 3,123.16 is: 4,310.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.02 : 7,056.64 = 3,123.16 : x
  2. Step 2: Convert to fraction form
    5,113.02/7,056.64 = 3,123.16/x
  3. Step 3: Cross multiply
    5,113.02x = 7,056.64 × 3,123.16
  4. Step 4: Simplify right side
    5,113.02x = 22,039,015.78
  5. Step 5: Solve for x
    x = 22,039,015.78/5,113.02
  6. Step 6: Final answer
    x = 4,310.37

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