Home / 8,437.26-11,643.48-4,660.32

Finding the Fourth Proportional to 8,437.26, 11,643.48 and 4,660.32

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Solution

The fourth proportional to 8,437.26, 11,643.48 and 4,660.32 is: 6,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.26 : 11,643.48 = 4,660.32 : x
  2. Step 2: Convert to fraction form
    8,437.26/11,643.48 = 4,660.32/x
  3. Step 3: Cross multiply
    8,437.26x = 11,643.48 × 4,660.32
  4. Step 4: Simplify right side
    8,437.26x = 54,262,342.71
  5. Step 5: Solve for x
    x = 54,262,342.71/8,437.26
  6. Step 6: Final answer
    x = 6,431.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.