Home / 8,740.36-13,089.44-5,449.32

Finding the Fourth Proportional to 8,740.36, 13,089.44 and 5,449.32

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Solution

The fourth proportional to 8,740.36, 13,089.44 and 5,449.32 is: 8,160.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.36 : 13,089.44 = 5,449.32 : x
  2. Step 2: Convert to fraction form
    8,740.36/13,089.44 = 5,449.32/x
  3. Step 3: Cross multiply
    8,740.36x = 13,089.44 × 5,449.32
  4. Step 4: Simplify right side
    8,740.36x = 71,328,547.18
  5. Step 5: Solve for x
    x = 71,328,547.18/8,740.36
  6. Step 6: Final answer
    x = 8,160.82

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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.