Home / 5,425.02-8,137.56-1,529.46

Finding the Fourth Proportional to 5,425.02, 8,137.56 and 1,529.46

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Solution

The fourth proportional to 5,425.02, 8,137.56 and 1,529.46 is: 2,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.02 : 8,137.56 = 1,529.46 : x
  2. Step 2: Convert to fraction form
    5,425.02/8,137.56 = 1,529.46/x
  3. Step 3: Cross multiply
    5,425.02x = 8,137.56 × 1,529.46
  4. Step 4: Simplify right side
    5,425.02x = 12,446,072.52
  5. Step 5: Solve for x
    x = 12,446,072.52/5,425.02
  6. Step 6: Final answer
    x = 2,294.20

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1.5x scale

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.