Home / 8,492.31-11,719.53-4,715.72

Finding the Fourth Proportional to 8,492.31, 11,719.53 and 4,715.72

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Solution

The fourth proportional to 8,492.31, 11,719.53 and 4,715.72 is: 6,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.31 : 11,719.53 = 4,715.72 : x
  2. Step 2: Convert to fraction form
    8,492.31/11,719.53 = 4,715.72/x
  3. Step 3: Cross multiply
    8,492.31x = 11,719.53 × 4,715.72
  4. Step 4: Simplify right side
    8,492.31x = 55,266,022.01
  5. Step 5: Solve for x
    x = 55,266,022.01/8,492.31
  6. Step 6: Final answer
    x = 6,507.77

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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.