Home / 4,688.14-6,456.54-3,894.95

Finding the Fourth Proportional to 4,688.14, 6,456.54 and 3,894.95

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Solution

The fourth proportional to 4,688.14, 6,456.54 and 3,894.95 is: 5,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.14 : 6,456.54 = 3,894.95 : x
  2. Step 2: Convert to fraction form
    4,688.14/6,456.54 = 3,894.95/x
  3. Step 3: Cross multiply
    4,688.14x = 6,456.54 × 3,894.95
  4. Step 4: Simplify right side
    4,688.14x = 25,147,900.47
  5. Step 5: Solve for x
    x = 25,147,900.47/4,688.14
  6. Step 6: Final answer
    x = 5,364.15

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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.