Home / 5,281.37-7,285.10-3,392.31

Finding the Fourth Proportional to 5,281.37, 7,285.10 and 3,392.31

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Solution

The fourth proportional to 5,281.37, 7,285.10 and 3,392.31 is: 4,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.37 : 7,285.10 = 3,392.31 : x
  2. Step 2: Convert to fraction form
    5,281.37/7,285.10 = 3,392.31/x
  3. Step 3: Cross multiply
    5,281.37x = 7,285.10 × 3,392.31
  4. Step 4: Simplify right side
    5,281.37x = 24,713,300.62
  5. Step 5: Solve for x
    x = 24,713,300.62/5,281.37
  6. Step 6: Final answer
    x = 4,679.34

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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.