Home / 9,719.28-14,581.01-3,145.35

Finding the Fourth Proportional to 9,719.28, 14,581.01 and 3,145.35

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Solution

The fourth proportional to 9,719.28, 14,581.01 and 3,145.35 is: 4,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.28 : 14,581.01 = 3,145.35 : x
  2. Step 2: Convert to fraction form
    9,719.28/14,581.01 = 3,145.35/x
  3. Step 3: Cross multiply
    9,719.28x = 14,581.01 × 3,145.35
  4. Step 4: Simplify right side
    9,719.28x = 45,862,364.08
  5. Step 5: Solve for x
    x = 45,862,364.08/9,719.28
  6. Step 6: Final answer
    x = 4,718.70

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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.