Home / 8,435.71-11,641.40-4,659.13

Finding the Fourth Proportional to 8,435.71, 11,641.40 and 4,659.13

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Solution

The fourth proportional to 8,435.71, 11,641.40 and 4,659.13 is: 6,429.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,435.71 : 11,641.40 = 4,659.13 : x
  2. Step 2: Convert to fraction form
    8,435.71/11,641.40 = 4,659.13/x
  3. Step 3: Cross multiply
    8,435.71x = 11,641.40 × 4,659.13
  4. Step 4: Simplify right side
    8,435.71x = 54,238,795.98
  5. Step 5: Solve for x
    x = 54,238,795.98/8,435.71
  6. Step 6: Final answer
    x = 6,429.67

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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.