Home / 8,437.43-11,643.69-4,609.12

Finding the Fourth Proportional to 8,437.43, 11,643.69 and 4,609.12

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Solution

The fourth proportional to 8,437.43, 11,643.69 and 4,609.12 is: 6,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.43 : 11,643.69 = 4,609.12 : x
  2. Step 2: Convert to fraction form
    8,437.43/11,643.69 = 4,609.12/x
  3. Step 3: Cross multiply
    8,437.43x = 11,643.69 × 4,609.12
  4. Step 4: Simplify right side
    8,437.43x = 53,667,111.46
  5. Step 5: Solve for x
    x = 53,667,111.46/8,437.43
  6. Step 6: Final answer
    x = 6,360.60

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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.