Home / 9,130.36-13,694.46-3,587.80

Finding the Fourth Proportional to 9,130.36, 13,694.46 and 3,587.80

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Solution

The fourth proportional to 9,130.36, 13,694.46 and 3,587.80 is: 5,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.36 : 13,694.46 = 3,587.80 : x
  2. Step 2: Convert to fraction form
    9,130.36/13,694.46 = 3,587.80/x
  3. Step 3: Cross multiply
    9,130.36x = 13,694.46 × 3,587.80
  4. Step 4: Simplify right side
    9,130.36x = 49,132,983.59
  5. Step 5: Solve for x
    x = 49,132,983.59/9,130.36
  6. Step 6: Final answer
    x = 5,381.28

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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.