Home / 6,666.48-9,199.76-3,682.40

Finding the Fourth Proportional to 6,666.48, 9,199.76 and 3,682.40

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Solution

The fourth proportional to 6,666.48, 9,199.76 and 3,682.40 is: 5,081.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,666.48 : 9,199.76 = 3,682.40 : x
  2. Step 2: Convert to fraction form
    6,666.48/9,199.76 = 3,682.40/x
  3. Step 3: Cross multiply
    6,666.48x = 9,199.76 × 3,682.40
  4. Step 4: Simplify right side
    6,666.48x = 33,877,196.22
  5. Step 5: Solve for x
    x = 33,877,196.22/6,666.48
  6. Step 6: Final answer
    x = 5,081.72

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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.