Home / 7,118.30-9,822.50-4,133.55

Finding the Fourth Proportional to 7,118.30, 9,822.50 and 4,133.55

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Solution

The fourth proportional to 7,118.30, 9,822.50 and 4,133.55 is: 5,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.30 : 9,822.50 = 4,133.55 : x
  2. Step 2: Convert to fraction form
    7,118.30/9,822.50 = 4,133.55/x
  3. Step 3: Cross multiply
    7,118.30x = 9,822.50 × 4,133.55
  4. Step 4: Simplify right side
    7,118.30x = 40,601,774.21
  5. Step 5: Solve for x
    x = 40,601,774.21/7,118.30
  6. Step 6: Final answer
    x = 5,703.86

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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.