Home / 6,887.58-10,332.70-2,938.78

Finding the Fourth Proportional to 6,887.58, 10,332.70 and 2,938.78

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Solution

The fourth proportional to 6,887.58, 10,332.70 and 2,938.78 is: 4,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.58 : 10,332.70 = 2,938.78 : x
  2. Step 2: Convert to fraction form
    6,887.58/10,332.70 = 2,938.78/x
  3. Step 3: Cross multiply
    6,887.58x = 10,332.70 × 2,938.78
  4. Step 4: Simplify right side
    6,887.58x = 30,365,532.11
  5. Step 5: Solve for x
    x = 30,365,532.11/6,887.58
  6. Step 6: Final answer
    x = 4,408.74

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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.