Home / 7,280.13-10,046.58-3,968.13

Finding the Fourth Proportional to 7,280.13, 10,046.58 and 3,968.13

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Solution

The fourth proportional to 7,280.13, 10,046.58 and 3,968.13 is: 5,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.13 : 10,046.58 = 3,968.13 : x
  2. Step 2: Convert to fraction form
    7,280.13/10,046.58 = 3,968.13/x
  3. Step 3: Cross multiply
    7,280.13x = 10,046.58 × 3,968.13
  4. Step 4: Simplify right side
    7,280.13x = 39,866,135.50
  5. Step 5: Solve for x
    x = 39,866,135.50/7,280.13
  6. Step 6: Final answer
    x = 5,476.02

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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.