Home / 6,779.40-10,149.30-4,835.40

Finding the Fourth Proportional to 6,779.40, 10,149.30 and 4,835.40

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Solution

The fourth proportional to 6,779.40, 10,149.30 and 4,835.40 is: 7,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.40 : 10,149.30 = 4,835.40 : x
  2. Step 2: Convert to fraction form
    6,779.40/10,149.30 = 4,835.40/x
  3. Step 3: Cross multiply
    6,779.40x = 10,149.30 × 4,835.40
  4. Step 4: Simplify right side
    6,779.40x = 49,075,925.22
  5. Step 5: Solve for x
    x = 49,075,925.22/6,779.40
  6. Step 6: Final answer
    x = 7,238.98

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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.