Home / 8,555.79-11,806.87-4,779.02

Finding the Fourth Proportional to 8,555.79, 11,806.87 and 4,779.02

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Solution

The fourth proportional to 8,555.79, 11,806.87 and 4,779.02 is: 6,594.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.79 : 11,806.87 = 4,779.02 : x
  2. Step 2: Convert to fraction form
    8,555.79/11,806.87 = 4,779.02/x
  3. Step 3: Cross multiply
    8,555.79x = 11,806.87 × 4,779.02
  4. Step 4: Simplify right side
    8,555.79x = 56,425,267.87
  5. Step 5: Solve for x
    x = 56,425,267.87/8,555.79
  6. Step 6: Final answer
    x = 6,594.98

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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.