Home / 7,585.36-11,378.64-2,653.26

Finding the Fourth Proportional to 7,585.36, 11,378.64 and 2,653.26

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Solution

The fourth proportional to 7,585.36, 11,378.64 and 2,653.26 is: 3,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,585.36 : 11,378.64 = 2,653.26 : x
  2. Step 2: Convert to fraction form
    7,585.36/11,378.64 = 2,653.26/x
  3. Step 3: Cross multiply
    7,585.36x = 11,378.64 × 2,653.26
  4. Step 4: Simplify right side
    7,585.36x = 30,190,490.37
  5. Step 5: Solve for x
    x = 30,190,490.37/7,585.36
  6. Step 6: Final answer
    x = 3,980.10

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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.