Home / 8,556.13-11,806.81-4,779.10

Finding the Fourth Proportional to 8,556.13, 11,806.81 and 4,779.10

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Solution

The fourth proportional to 8,556.13, 11,806.81 and 4,779.10 is: 6,594.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.13 : 11,806.81 = 4,779.10 : x
  2. Step 2: Convert to fraction form
    8,556.13/11,806.81 = 4,779.10/x
  3. Step 3: Cross multiply
    8,556.13x = 11,806.81 × 4,779.10
  4. Step 4: Simplify right side
    8,556.13x = 56,425,955.36
  5. Step 5: Solve for x
    x = 56,425,955.36/8,556.13
  6. Step 6: Final answer
    x = 6,594.80

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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.