Home / 8,438.24-11,641.92-4,900.16

Finding the Fourth Proportional to 8,438.24, 11,641.92 and 4,900.16

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Solution

The fourth proportional to 8,438.24, 11,641.92 and 4,900.16 is: 6,760.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438.24 : 11,641.92 = 4,900.16 : x
  2. Step 2: Convert to fraction form
    8,438.24/11,641.92 = 4,900.16/x
  3. Step 3: Cross multiply
    8,438.24x = 11,641.92 × 4,900.16
  4. Step 4: Simplify right side
    8,438.24x = 57,047,270.71
  5. Step 5: Solve for x
    x = 57,047,270.71/8,438.24
  6. Step 6: Final answer
    x = 6,760.57

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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.