Home / 5,876.80-8,812.40-3,412.36

Finding the Fourth Proportional to 5,876.80, 8,812.40 and 3,412.36

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Solution

The fourth proportional to 5,876.80, 8,812.40 and 3,412.36 is: 5,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,876.80 : 8,812.40 = 3,412.36 : x
  2. Step 2: Convert to fraction form
    5,876.80/8,812.40 = 3,412.36/x
  3. Step 3: Cross multiply
    5,876.80x = 8,812.40 × 3,412.36
  4. Step 4: Simplify right side
    5,876.80x = 30,071,081.26
  5. Step 5: Solve for x
    x = 30,071,081.26/5,876.80
  6. Step 6: Final answer
    x = 5,116.91

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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.