Home / 7,199.50-9,938.64-5,076.76

Finding the Fourth Proportional to 7,199.50, 9,938.64 and 5,076.76

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Solution

The fourth proportional to 7,199.50, 9,938.64 and 5,076.76 is: 7,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199.50 : 9,938.64 = 5,076.76 : x
  2. Step 2: Convert to fraction form
    7,199.50/9,938.64 = 5,076.76/x
  3. Step 3: Cross multiply
    7,199.50x = 9,938.64 × 5,076.76
  4. Step 4: Simplify right side
    7,199.50x = 50,456,065.16
  5. Step 5: Solve for x
    x = 50,456,065.16/7,199.50
  6. Step 6: Final answer
    x = 7,008.28

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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.