Home / 8,758.95-12,087.63-4,780.28

Finding the Fourth Proportional to 8,758.95, 12,087.63 and 4,780.28

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Solution

The fourth proportional to 8,758.95, 12,087.63 and 4,780.28 is: 6,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.95 : 12,087.63 = 4,780.28 : x
  2. Step 2: Convert to fraction form
    8,758.95/12,087.63 = 4,780.28/x
  3. Step 3: Cross multiply
    8,758.95x = 12,087.63 × 4,780.28
  4. Step 4: Simplify right side
    8,758.95x = 57,782,195.50
  5. Step 5: Solve for x
    x = 57,782,195.50/8,758.95
  6. Step 6: Final answer
    x = 6,596.93

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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.