Home / 5,123.02-7,070.44-2,885.34

Finding the Fourth Proportional to 5,123.02, 7,070.44 and 2,885.34

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Solution

The fourth proportional to 5,123.02, 7,070.44 and 2,885.34 is: 3,982.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.02 : 7,070.44 = 2,885.34 : x
  2. Step 2: Convert to fraction form
    5,123.02/7,070.44 = 2,885.34/x
  3. Step 3: Cross multiply
    5,123.02x = 7,070.44 × 2,885.34
  4. Step 4: Simplify right side
    5,123.02x = 20,400,591.60
  5. Step 5: Solve for x
    x = 20,400,591.60/5,123.02
  6. Step 6: Final answer
    x = 3,982.14

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1.5x scale

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.