Home / 7,017.12-10,502.40-5,037.60

Finding the Fourth Proportional to 7,017.12, 10,502.40 and 5,037.60

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Solution

The fourth proportional to 7,017.12, 10,502.40 and 5,037.60 is: 7,539.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.12 : 10,502.40 = 5,037.60 : x
  2. Step 2: Convert to fraction form
    7,017.12/10,502.40 = 5,037.60/x
  3. Step 3: Cross multiply
    7,017.12x = 10,502.40 × 5,037.60
  4. Step 4: Simplify right side
    7,017.12x = 52,906,890.24
  5. Step 5: Solve for x
    x = 52,906,890.24/7,017.12
  6. Step 6: Final answer
    x = 7,539.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.