Home / 5,787.02-7,986.06-3,134.42

Finding the Fourth Proportional to 5,787.02, 7,986.06 and 3,134.42

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Solution

The fourth proportional to 5,787.02, 7,986.06 and 3,134.42 is: 4,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.02 : 7,986.06 = 3,134.42 : x
  2. Step 2: Convert to fraction form
    5,787.02/7,986.06 = 3,134.42/x
  3. Step 3: Cross multiply
    5,787.02x = 7,986.06 × 3,134.42
  4. Step 4: Simplify right side
    5,787.02x = 25,031,666.19
  5. Step 5: Solve for x
    x = 25,031,666.19/5,787.02
  6. Step 6: Final answer
    x = 4,325.48

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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.