Home / 7,423.54-11,133.56-2,157.16

Finding the Fourth Proportional to 7,423.54, 11,133.56 and 2,157.16

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Solution

The fourth proportional to 7,423.54, 11,133.56 and 2,157.16 is: 3,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.54 : 11,133.56 = 2,157.16 : x
  2. Step 2: Convert to fraction form
    7,423.54/11,133.56 = 2,157.16/x
  3. Step 3: Cross multiply
    7,423.54x = 11,133.56 × 2,157.16
  4. Step 4: Simplify right side
    7,423.54x = 24,016,870.29
  5. Step 5: Solve for x
    x = 24,016,870.29/7,423.54
  6. Step 6: Final answer
    x = 3,235.23

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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.