Home / 8,462.40-11,677.94-4,685.57

Finding the Fourth Proportional to 8,462.40, 11,677.94 and 4,685.57

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Solution

The fourth proportional to 8,462.40, 11,677.94 and 4,685.57 is: 6,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.40 : 11,677.94 = 4,685.57 : x
  2. Step 2: Convert to fraction form
    8,462.40/11,677.94 = 4,685.57/x
  3. Step 3: Cross multiply
    8,462.40x = 11,677.94 × 4,685.57
  4. Step 4: Simplify right side
    8,462.40x = 54,717,723.51
  5. Step 5: Solve for x
    x = 54,717,723.51/8,462.40
  6. Step 6: Final answer
    x = 6,465.98

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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.