Home / 7,156.38-10,728.81-3,055.26

Finding the Fourth Proportional to 7,156.38, 10,728.81 and 3,055.26

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Solution

The fourth proportional to 7,156.38, 10,728.81 and 3,055.26 is: 4,580.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.38 : 10,728.81 = 3,055.26 : x
  2. Step 2: Convert to fraction form
    7,156.38/10,728.81 = 3,055.26/x
  3. Step 3: Cross multiply
    7,156.38x = 10,728.81 × 3,055.26
  4. Step 4: Simplify right side
    7,156.38x = 32,779,304.04
  5. Step 5: Solve for x
    x = 32,779,304.04/7,156.38
  6. Step 6: Final answer
    x = 4,580.43

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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.