Home / 7,777.31-10,732.69-4,982.81

Finding the Fourth Proportional to 7,777.31, 10,732.69 and 4,982.81

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Solution

The fourth proportional to 7,777.31, 10,732.69 and 4,982.81 is: 6,876.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.31 : 10,732.69 = 4,982.81 : x
  2. Step 2: Convert to fraction form
    7,777.31/10,732.69 = 4,982.81/x
  3. Step 3: Cross multiply
    7,777.31x = 10,732.69 × 4,982.81
  4. Step 4: Simplify right side
    7,777.31x = 53,478,955.06
  5. Step 5: Solve for x
    x = 53,478,955.06/7,777.31
  6. Step 6: Final answer
    x = 6,876.28

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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.