Home / 8,556.35-11,807.40-4,779.49

Finding the Fourth Proportional to 8,556.35, 11,807.40 and 4,779.49

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Solution

The fourth proportional to 8,556.35, 11,807.40 and 4,779.49 is: 6,595.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.35 : 11,807.40 = 4,779.49 : x
  2. Step 2: Convert to fraction form
    8,556.35/11,807.40 = 4,779.49/x
  3. Step 3: Cross multiply
    8,556.35x = 11,807.40 × 4,779.49
  4. Step 4: Simplify right side
    8,556.35x = 56,433,350.23
  5. Step 5: Solve for x
    x = 56,433,350.23/8,556.35
  6. Step 6: Final answer
    x = 6,595.49

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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.