Home / 8,556.41-11,807.71-4,779.64

Finding the Fourth Proportional to 8,556.41, 11,807.71 and 4,779.64

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Solution

The fourth proportional to 8,556.41, 11,807.71 and 4,779.64 is: 6,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.41 : 11,807.71 = 4,779.64 : x
  2. Step 2: Convert to fraction form
    8,556.41/11,807.71 = 4,779.64/x
  3. Step 3: Cross multiply
    8,556.41x = 11,807.71 × 4,779.64
  4. Step 4: Simplify right side
    8,556.41x = 56,436,603.02
  5. Step 5: Solve for x
    x = 56,436,603.02/8,556.41
  6. Step 6: Final answer
    x = 6,595.83

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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.