Home / 7,018.12-10,525.02-3,729.40

Finding the Fourth Proportional to 7,018.12, 10,525.02 and 3,729.40

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Solution

The fourth proportional to 7,018.12, 10,525.02 and 3,729.40 is: 5,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.12 : 10,525.02 = 3,729.40 : x
  2. Step 2: Convert to fraction form
    7,018.12/10,525.02 = 3,729.40/x
  3. Step 3: Cross multiply
    7,018.12x = 10,525.02 × 3,729.40
  4. Step 4: Simplify right side
    7,018.12x = 39,252,009.59
  5. Step 5: Solve for x
    x = 39,252,009.59/7,018.12
  6. Step 6: Final answer
    x = 5,592.95

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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.