Home / 8,705.03-13,058.99-2,860.28

Finding the Fourth Proportional to 8,705.03, 13,058.99 and 2,860.28

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Solution

The fourth proportional to 8,705.03, 13,058.99 and 2,860.28 is: 4,290.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,705.03 : 13,058.99 = 2,860.28 : x
  2. Step 2: Convert to fraction form
    8,705.03/13,058.99 = 2,860.28/x
  3. Step 3: Cross multiply
    8,705.03x = 13,058.99 × 2,860.28
  4. Step 4: Simplify right side
    8,705.03x = 37,352,288.32
  5. Step 5: Solve for x
    x = 37,352,288.32/8,705.03
  6. Step 6: Final answer
    x = 4,290.89

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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.