Home / 8,289.52-11,437.58-4,703.68

Finding the Fourth Proportional to 8,289.52, 11,437.58 and 4,703.68

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Solution

The fourth proportional to 8,289.52, 11,437.58 and 4,703.68 is: 6,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289.52 : 11,437.58 = 4,703.68 : x
  2. Step 2: Convert to fraction form
    8,289.52/11,437.58 = 4,703.68/x
  3. Step 3: Cross multiply
    8,289.52x = 11,437.58 × 4,703.68
  4. Step 4: Simplify right side
    8,289.52x = 53,798,716.29
  5. Step 5: Solve for x
    x = 53,798,716.29/8,289.52
  6. Step 6: Final answer
    x = 6,489.97

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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.