Home / 7,509.24-11,261.43-4,389.12

Finding the Fourth Proportional to 7,509.24, 11,261.43 and 4,389.12

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Solution

The fourth proportional to 7,509.24, 11,261.43 and 4,389.12 is: 6,582.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,509.24 : 11,261.43 = 4,389.12 : x
  2. Step 2: Convert to fraction form
    7,509.24/11,261.43 = 4,389.12/x
  3. Step 3: Cross multiply
    7,509.24x = 11,261.43 × 4,389.12
  4. Step 4: Simplify right side
    7,509.24x = 49,427,767.64
  5. Step 5: Solve for x
    x = 49,427,767.64/7,509.24
  6. Step 6: Final answer
    x = 6,582.26

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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.