Home / 6,686.28-10,030.50-5,464.80

Finding the Fourth Proportional to 6,686.28, 10,030.50 and 5,464.80

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Solution

The fourth proportional to 6,686.28, 10,030.50 and 5,464.80 is: 8,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,686.28 : 10,030.50 = 5,464.80 : x
  2. Step 2: Convert to fraction form
    6,686.28/10,030.50 = 5,464.80/x
  3. Step 3: Cross multiply
    6,686.28x = 10,030.50 × 5,464.80
  4. Step 4: Simplify right side
    6,686.28x = 54,814,676.40
  5. Step 5: Solve for x
    x = 54,814,676.40/6,686.28
  6. Step 6: Final answer
    x = 8,198.08

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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.