Home / 8,919.04-13,379.39-2,345.23

Finding the Fourth Proportional to 8,919.04, 13,379.39 and 2,345.23

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Solution

The fourth proportional to 8,919.04, 13,379.39 and 2,345.23 is: 3,518.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.04 : 13,379.39 = 2,345.23 : x
  2. Step 2: Convert to fraction form
    8,919.04/13,379.39 = 2,345.23/x
  3. Step 3: Cross multiply
    8,919.04x = 13,379.39 × 2,345.23
  4. Step 4: Simplify right side
    8,919.04x = 31,377,746.81
  5. Step 5: Solve for x
    x = 31,377,746.81/8,919.04
  6. Step 6: Final answer
    x = 3,518.06

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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.