Home / 7,209.31-10,803.02-5,351.72

Finding the Fourth Proportional to 7,209.31, 10,803.02 and 5,351.72

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Solution

The fourth proportional to 7,209.31, 10,803.02 and 5,351.72 is: 8,019.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209.31 : 10,803.02 = 5,351.72 : x
  2. Step 2: Convert to fraction form
    7,209.31/10,803.02 = 5,351.72/x
  3. Step 3: Cross multiply
    7,209.31x = 10,803.02 × 5,351.72
  4. Step 4: Simplify right side
    7,209.31x = 57,814,738.19
  5. Step 5: Solve for x
    x = 57,814,738.19/7,209.31
  6. Step 6: Final answer
    x = 8,019.46

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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.