Home / 7,671.24-11,505.47-2,123.19

Finding the Fourth Proportional to 7,671.24, 11,505.47 and 2,123.19

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Solution

The fourth proportional to 7,671.24, 11,505.47 and 2,123.19 is: 3,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.24 : 11,505.47 = 2,123.19 : x
  2. Step 2: Convert to fraction form
    7,671.24/11,505.47 = 2,123.19/x
  3. Step 3: Cross multiply
    7,671.24x = 11,505.47 × 2,123.19
  4. Step 4: Simplify right side
    7,671.24x = 24,428,288.23
  5. Step 5: Solve for x
    x = 24,428,288.23/7,671.24
  6. Step 6: Final answer
    x = 3,184.40

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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.