Home / 7,779.26-10,734.95-4,421.61

Finding the Fourth Proportional to 7,779.26, 10,734.95 and 4,421.61

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Solution

The fourth proportional to 7,779.26, 10,734.95 and 4,421.61 is: 6,101.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.26 : 10,734.95 = 4,421.61 : x
  2. Step 2: Convert to fraction form
    7,779.26/10,734.95 = 4,421.61/x
  3. Step 3: Cross multiply
    7,779.26x = 10,734.95 × 4,421.61
  4. Step 4: Simplify right side
    7,779.26x = 47,465,773.32
  5. Step 5: Solve for x
    x = 47,465,773.32/7,779.26
  6. Step 6: Final answer
    x = 6,101.58

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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.