Home / 8,437.23-11,643.27-4,660.55

Finding the Fourth Proportional to 8,437.23, 11,643.27 and 4,660.55

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Solution

The fourth proportional to 8,437.23, 11,643.27 and 4,660.55 is: 6,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.23 : 11,643.27 = 4,660.55 : x
  2. Step 2: Convert to fraction form
    8,437.23/11,643.27 = 4,660.55/x
  3. Step 3: Cross multiply
    8,437.23x = 11,643.27 × 4,660.55
  4. Step 4: Simplify right side
    8,437.23x = 54,263,983.78
  5. Step 5: Solve for x
    x = 54,263,983.78/8,437.23
  6. Step 6: Final answer
    x = 6,431.49

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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.