Home / 6,125.80-8,444.55-4,779.90

Finding the Fourth Proportional to 6,125.80, 8,444.55 and 4,779.90

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Solution

The fourth proportional to 6,125.80, 8,444.55 and 4,779.90 is: 6,589.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.80 : 8,444.55 = 4,779.90 : x
  2. Step 2: Convert to fraction form
    6,125.80/8,444.55 = 4,779.90/x
  3. Step 3: Cross multiply
    6,125.80x = 8,444.55 × 4,779.90
  4. Step 4: Simplify right side
    6,125.80x = 40,364,062.32
  5. Step 5: Solve for x
    x = 40,364,062.32/6,125.80
  6. Step 6: Final answer
    x = 6,589.19

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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.