Home / 4,931.49-6,804.58-2,806.68

Finding the Fourth Proportional to 4,931.49, 6,804.58 and 2,806.68

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Solution

The fourth proportional to 4,931.49, 6,804.58 and 2,806.68 is: 3,872.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,931.49 : 6,804.58 = 2,806.68 : x
  2. Step 2: Convert to fraction form
    4,931.49/6,804.58 = 2,806.68/x
  3. Step 3: Cross multiply
    4,931.49x = 6,804.58 × 2,806.68
  4. Step 4: Simplify right side
    4,931.49x = 19,098,278.59
  5. Step 5: Solve for x
    x = 19,098,278.59/4,931.49
  6. Step 6: Final answer
    x = 3,872.72

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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.