Home / 9,210.91-13,829.01-4,771.64

Finding the Fourth Proportional to 9,210.91, 13,829.01 and 4,771.64

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Solution

The fourth proportional to 9,210.91, 13,829.01 and 4,771.64 is: 7,164.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.91 : 13,829.01 = 4,771.64 : x
  2. Step 2: Convert to fraction form
    9,210.91/13,829.01 = 4,771.64/x
  3. Step 3: Cross multiply
    9,210.91x = 13,829.01 × 4,771.64
  4. Step 4: Simplify right side
    9,210.91x = 65,987,043.47
  5. Step 5: Solve for x
    x = 65,987,043.47/9,210.91
  6. Step 6: Final answer
    x = 7,164.01

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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.