Home / 8,430.04-11,634.60-6,330.52

Finding the Fourth Proportional to 8,430.04, 11,634.60 and 6,330.52

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Solution

The fourth proportional to 8,430.04, 11,634.60 and 6,330.52 is: 8,736.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430.04 : 11,634.60 = 6,330.52 : x
  2. Step 2: Convert to fraction form
    8,430.04/11,634.60 = 6,330.52/x
  3. Step 3: Cross multiply
    8,430.04x = 11,634.60 × 6,330.52
  4. Step 4: Simplify right side
    8,430.04x = 73,653,067.99
  5. Step 5: Solve for x
    x = 73,653,067.99/8,430.04
  6. Step 6: Final answer
    x = 8,736.98

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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.