Home / 7,419.30-11,130.24-3,036.66

Finding the Fourth Proportional to 7,419.30, 11,130.24 and 3,036.66

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Solution

The fourth proportional to 7,419.30, 11,130.24 and 3,036.66 is: 4,555.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.30 : 11,130.24 = 3,036.66 : x
  2. Step 2: Convert to fraction form
    7,419.30/11,130.24 = 3,036.66/x
  3. Step 3: Cross multiply
    7,419.30x = 11,130.24 × 3,036.66
  4. Step 4: Simplify right side
    7,419.30x = 33,798,754.60
  5. Step 5: Solve for x
    x = 33,798,754.60/7,419.30
  6. Step 6: Final answer
    x = 4,555.52

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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.