Home / 8,998.58-12,417.44-5,641.26

Finding the Fourth Proportional to 8,998.58, 12,417.44 and 5,641.26

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Solution

The fourth proportional to 8,998.58, 12,417.44 and 5,641.26 is: 7,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.58 : 12,417.44 = 5,641.26 : x
  2. Step 2: Convert to fraction form
    8,998.58/12,417.44 = 5,641.26/x
  3. Step 3: Cross multiply
    8,998.58x = 12,417.44 × 5,641.26
  4. Step 4: Simplify right side
    8,998.58x = 70,050,007.57
  5. Step 5: Solve for x
    x = 70,050,007.57/8,998.58
  6. Step 6: Final answer
    x = 7,784.56

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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.