Home / 9,813.87-14,719.19-2,886.75

Finding the Fourth Proportional to 9,813.87, 14,719.19 and 2,886.75

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Solution

The fourth proportional to 9,813.87, 14,719.19 and 2,886.75 is: 4,329.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.87 : 14,719.19 = 2,886.75 : x
  2. Step 2: Convert to fraction form
    9,813.87/14,719.19 = 2,886.75/x
  3. Step 3: Cross multiply
    9,813.87x = 14,719.19 × 2,886.75
  4. Step 4: Simplify right side
    9,813.87x = 42,490,607.30
  5. Step 5: Solve for x
    x = 42,490,607.30/9,813.87
  6. Step 6: Final answer
    x = 4,329.65

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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.