Home / 8,904.58-13,355.40-2,981.08

Finding the Fourth Proportional to 8,904.58, 13,355.40 and 2,981.08

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Solution

The fourth proportional to 8,904.58, 13,355.40 and 2,981.08 is: 4,471.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904.58 : 13,355.40 = 2,981.08 : x
  2. Step 2: Convert to fraction form
    8,904.58/13,355.40 = 2,981.08/x
  3. Step 3: Cross multiply
    8,904.58x = 13,355.40 × 2,981.08
  4. Step 4: Simplify right side
    8,904.58x = 39,813,515.83
  5. Step 5: Solve for x
    x = 39,813,515.83/8,904.58
  6. Step 6: Final answer
    x = 4,471.13

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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.