Home / 5,339.03-8,005.85-1,779.88

Finding the Fourth Proportional to 5,339.03, 8,005.85 and 1,779.88

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Solution

The fourth proportional to 5,339.03, 8,005.85 and 1,779.88 is: 2,668.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339.03 : 8,005.85 = 1,779.88 : x
  2. Step 2: Convert to fraction form
    5,339.03/8,005.85 = 1,779.88/x
  3. Step 3: Cross multiply
    5,339.03x = 8,005.85 × 1,779.88
  4. Step 4: Simplify right side
    5,339.03x = 14,249,445.07
  5. Step 5: Solve for x
    x = 14,249,445.07/5,339.03
  6. Step 6: Final answer
    x = 2,668.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.