Home / 8,434.11-11,634.93-5,452.50

Finding the Fourth Proportional to 8,434.11, 11,634.93 and 5,452.50

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Solution

The fourth proportional to 8,434.11, 11,634.93 and 5,452.50 is: 7,521.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,434.11 : 11,634.93 = 5,452.50 : x
  2. Step 2: Convert to fraction form
    8,434.11/11,634.93 = 5,452.50/x
  3. Step 3: Cross multiply
    8,434.11x = 11,634.93 × 5,452.50
  4. Step 4: Simplify right side
    8,434.11x = 63,439,455.83
  5. Step 5: Solve for x
    x = 63,439,455.83/8,434.11
  6. Step 6: Final answer
    x = 7,521.77

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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.