Home / 7,663.07-11,497.34-4,378.93

Finding the Fourth Proportional to 7,663.07, 11,497.34 and 4,378.93

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Solution

The fourth proportional to 7,663.07, 11,497.34 and 4,378.93 is: 6,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,663.07 : 11,497.34 = 4,378.93 : x
  2. Step 2: Convert to fraction form
    7,663.07/11,497.34 = 4,378.93/x
  3. Step 3: Cross multiply
    7,663.07x = 11,497.34 × 4,378.93
  4. Step 4: Simplify right side
    7,663.07x = 50,346,029.25
  5. Step 5: Solve for x
    x = 50,346,029.25/7,663.07
  6. Step 6: Final answer
    x = 6,569.95

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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.