Home / 8,307.78-12,444.66-6,655.38

Finding the Fourth Proportional to 8,307.78, 12,444.66 and 6,655.38

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Solution

The fourth proportional to 8,307.78, 12,444.66 and 6,655.38 is: 9,969.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,307.78 : 12,444.66 = 6,655.38 : x
  2. Step 2: Convert to fraction form
    8,307.78/12,444.66 = 6,655.38/x
  3. Step 3: Cross multiply
    8,307.78x = 12,444.66 × 6,655.38
  4. Step 4: Simplify right side
    8,307.78x = 82,823,941.27
  5. Step 5: Solve for x
    x = 82,823,941.27/8,307.78
  6. Step 6: Final answer
    x = 9,969.44

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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.