Home / 8,790.90-13,186.35-3,595.56

Finding the Fourth Proportional to 8,790.90, 13,186.35 and 3,595.56

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Solution

The fourth proportional to 8,790.90, 13,186.35 and 3,595.56 is: 5,393.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.90 : 13,186.35 = 3,595.56 : x
  2. Step 2: Convert to fraction form
    8,790.90/13,186.35 = 3,595.56/x
  3. Step 3: Cross multiply
    8,790.90x = 13,186.35 × 3,595.56
  4. Step 4: Simplify right side
    8,790.90x = 47,412,312.61
  5. Step 5: Solve for x
    x = 47,412,312.61/8,790.90
  6. Step 6: Final answer
    x = 5,393.34

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1.5x scale

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.