Home / 8,556.41-11,807.78-4,779.53

Finding the Fourth Proportional to 8,556.41, 11,807.78 and 4,779.53

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Solution

The fourth proportional to 8,556.41, 11,807.78 and 4,779.53 is: 6,595.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.41 : 11,807.78 = 4,779.53 : x
  2. Step 2: Convert to fraction form
    8,556.41/11,807.78 = 4,779.53/x
  3. Step 3: Cross multiply
    8,556.41x = 11,807.78 × 4,779.53
  4. Step 4: Simplify right side
    8,556.41x = 56,435,555.81
  5. Step 5: Solve for x
    x = 56,435,555.81/8,556.41
  6. Step 6: Final answer
    x = 6,595.71

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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.