Home / 8,385.39-11,570.47-4,847.92

Finding the Fourth Proportional to 8,385.39, 11,570.47 and 4,847.92

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Solution

The fourth proportional to 8,385.39, 11,570.47 and 4,847.92 is: 6,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.39 : 11,570.47 = 4,847.92 : x
  2. Step 2: Convert to fraction form
    8,385.39/11,570.47 = 4,847.92/x
  3. Step 3: Cross multiply
    8,385.39x = 11,570.47 × 4,847.92
  4. Step 4: Simplify right side
    8,385.39x = 56,092,671.88
  5. Step 5: Solve for x
    x = 56,092,671.88/8,385.39
  6. Step 6: Final answer
    x = 6,689.33

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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.