Home / 8,355.15-11,527.01-5,372.63

Finding the Fourth Proportional to 8,355.15, 11,527.01 and 5,372.63

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Solution

The fourth proportional to 8,355.15, 11,527.01 and 5,372.63 is: 7,412.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.15 : 11,527.01 = 5,372.63 : x
  2. Step 2: Convert to fraction form
    8,355.15/11,527.01 = 5,372.63/x
  3. Step 3: Cross multiply
    8,355.15x = 11,527.01 × 5,372.63
  4. Step 4: Simplify right side
    8,355.15x = 61,930,338.61
  5. Step 5: Solve for x
    x = 61,930,338.61/8,355.15
  6. Step 6: Final answer
    x = 7,412.24

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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.