Home / 7,430.40-11,137.50-3,046.68

Finding the Fourth Proportional to 7,430.40, 11,137.50 and 3,046.68

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Solution

The fourth proportional to 7,430.40, 11,137.50 and 3,046.68 is: 4,566.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.40 : 11,137.50 = 3,046.68 : x
  2. Step 2: Convert to fraction form
    7,430.40/11,137.50 = 3,046.68/x
  3. Step 3: Cross multiply
    7,430.40x = 11,137.50 × 3,046.68
  4. Step 4: Simplify right side
    7,430.40x = 33,932,398.50
  5. Step 5: Solve for x
    x = 33,932,398.50/7,430.40
  6. Step 6: Final answer
    x = 4,566.70

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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.