Home / 8,556.49-11,807.84-4,779.71

Finding the Fourth Proportional to 8,556.49, 11,807.84 and 4,779.71

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Solution

The fourth proportional to 8,556.49, 11,807.84 and 4,779.71 is: 6,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.49 : 11,807.84 = 4,779.71 : x
  2. Step 2: Convert to fraction form
    8,556.49/11,807.84 = 4,779.71/x
  3. Step 3: Cross multiply
    8,556.49x = 11,807.84 × 4,779.71
  4. Step 4: Simplify right side
    8,556.49x = 56,438,027.03
  5. Step 5: Solve for x
    x = 56,438,027.03/8,556.49
  6. Step 6: Final answer
    x = 6,595.93

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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.