Home / 7,430.70-11,140.65-3,045.90

Finding the Fourth Proportional to 7,430.70, 11,140.65 and 3,045.90

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Solution

The fourth proportional to 7,430.70, 11,140.65 and 3,045.90 is: 4,566.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.70 : 11,140.65 = 3,045.90 : x
  2. Step 2: Convert to fraction form
    7,430.70/11,140.65 = 3,045.90/x
  3. Step 3: Cross multiply
    7,430.70x = 11,140.65 × 3,045.90
  4. Step 4: Simplify right side
    7,430.70x = 33,933,305.84
  5. Step 5: Solve for x
    x = 33,933,305.84/7,430.70
  6. Step 6: Final answer
    x = 4,566.64

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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.