Home / 9,390.60-14,087.70-2,816.76

Finding the Fourth Proportional to 9,390.60, 14,087.70 and 2,816.76

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Solution

The fourth proportional to 9,390.60, 14,087.70 and 2,816.76 is: 4,225.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.60 : 14,087.70 = 2,816.76 : x
  2. Step 2: Convert to fraction form
    9,390.60/14,087.70 = 2,816.76/x
  3. Step 3: Cross multiply
    9,390.60x = 14,087.70 × 2,816.76
  4. Step 4: Simplify right side
    9,390.60x = 39,681,669.85
  5. Step 5: Solve for x
    x = 39,681,669.85/9,390.60
  6. Step 6: Final answer
    x = 4,225.68

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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.