Home / 7,664.36-10,580.65-5,015.82

Finding the Fourth Proportional to 7,664.36, 10,580.65 and 5,015.82

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Solution

The fourth proportional to 7,664.36, 10,580.65 and 5,015.82 is: 6,924.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.36 : 10,580.65 = 5,015.82 : x
  2. Step 2: Convert to fraction form
    7,664.36/10,580.65 = 5,015.82/x
  3. Step 3: Cross multiply
    7,664.36x = 10,580.65 × 5,015.82
  4. Step 4: Simplify right side
    7,664.36x = 53,070,583.67
  5. Step 5: Solve for x
    x = 53,070,583.67/7,664.36
  6. Step 6: Final answer
    x = 6,924.33

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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.