Home / 7,089.34-10,630.92-2,157.82

Finding the Fourth Proportional to 7,089.34, 10,630.92 and 2,157.82

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Solution

The fourth proportional to 7,089.34, 10,630.92 and 2,157.82 is: 3,235.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089.34 : 10,630.92 = 2,157.82 : x
  2. Step 2: Convert to fraction form
    7,089.34/10,630.92 = 2,157.82/x
  3. Step 3: Cross multiply
    7,089.34x = 10,630.92 × 2,157.82
  4. Step 4: Simplify right side
    7,089.34x = 22,939,602.19
  5. Step 5: Solve for x
    x = 22,939,602.19/7,089.34
  6. Step 6: Final answer
    x = 3,235.79

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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.