Home / 6,688.28-10,013.88-4,350.98

Finding the Fourth Proportional to 6,688.28, 10,013.88 and 4,350.98

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Solution

The fourth proportional to 6,688.28, 10,013.88 and 4,350.98 is: 6,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.28 : 10,013.88 = 4,350.98 : x
  2. Step 2: Convert to fraction form
    6,688.28/10,013.88 = 4,350.98/x
  3. Step 3: Cross multiply
    6,688.28x = 10,013.88 × 4,350.98
  4. Step 4: Simplify right side
    6,688.28x = 43,570,191.60
  5. Step 5: Solve for x
    x = 43,570,191.60/6,688.28
  6. Step 6: Final answer
    x = 6,514.41

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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.