Home / 8,838.16-13,260.92-2,991.60

Finding the Fourth Proportional to 8,838.16, 13,260.92 and 2,991.60

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Solution

The fourth proportional to 8,838.16, 13,260.92 and 2,991.60 is: 4,488.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838.16 : 13,260.92 = 2,991.60 : x
  2. Step 2: Convert to fraction form
    8,838.16/13,260.92 = 2,991.60/x
  3. Step 3: Cross multiply
    8,838.16x = 13,260.92 × 2,991.60
  4. Step 4: Simplify right side
    8,838.16x = 39,671,368.27
  5. Step 5: Solve for x
    x = 39,671,368.27/8,838.16
  6. Step 6: Final answer
    x = 4,488.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.