Home / 4,875.31-6,727.89-2,779.39

Finding the Fourth Proportional to 4,875.31, 6,727.89 and 2,779.39

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Solution

The fourth proportional to 4,875.31, 6,727.89 and 2,779.39 is: 3,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.31 : 6,727.89 = 2,779.39 : x
  2. Step 2: Convert to fraction form
    4,875.31/6,727.89 = 2,779.39/x
  3. Step 3: Cross multiply
    4,875.31x = 6,727.89 × 2,779.39
  4. Step 4: Simplify right side
    4,875.31x = 18,699,430.19
  5. Step 5: Solve for x
    x = 18,699,430.19/4,875.31
  6. Step 6: Final answer
    x = 3,835.54

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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.