Home / 10,290.25-15,435.38-3,716.45

Finding the Fourth Proportional to 10,290.25, 15,435.38 and 3,716.45

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Solution

The fourth proportional to 10,290.25, 15,435.38 and 3,716.45 is: 5,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.25 : 15,435.38 = 3,716.45 : x
  2. Step 2: Convert to fraction form
    10,290.25/15,435.38 = 3,716.45/x
  3. Step 3: Cross multiply
    10,290.25x = 15,435.38 × 3,716.45
  4. Step 4: Simplify right side
    10,290.25x = 57,364,808.00
  5. Step 5: Solve for x
    x = 57,364,808.00/10,290.25
  6. Step 6: Final answer
    x = 5,574.68

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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.