Home / 8,390.35-11,577.78-4,852.87

Finding the Fourth Proportional to 8,390.35, 11,577.78 and 4,852.87

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Solution

The fourth proportional to 8,390.35, 11,577.78 and 4,852.87 is: 6,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390.35 : 11,577.78 = 4,852.87 : x
  2. Step 2: Convert to fraction form
    8,390.35/11,577.78 = 4,852.87/x
  3. Step 3: Cross multiply
    8,390.35x = 11,577.78 × 4,852.87
  4. Step 4: Simplify right side
    8,390.35x = 56,185,461.23
  5. Step 5: Solve for x
    x = 56,185,461.23/8,390.35
  6. Step 6: Final answer
    x = 6,696.44

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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.