Home / 8,577.32-12,870.92-4,628.57

Finding the Fourth Proportional to 8,577.32, 12,870.92 and 4,628.57

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Solution

The fourth proportional to 8,577.32, 12,870.92 and 4,628.57 is: 6,945.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,577.32 : 12,870.92 = 4,628.57 : x
  2. Step 2: Convert to fraction form
    8,577.32/12,870.92 = 4,628.57/x
  3. Step 3: Cross multiply
    8,577.32x = 12,870.92 × 4,628.57
  4. Step 4: Simplify right side
    8,577.32x = 59,573,866.69
  5. Step 5: Solve for x
    x = 59,573,866.69/8,577.32
  6. Step 6: Final answer
    x = 6,945.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.