Home / 4,875.56-6,728.58-2,779.72

Finding the Fourth Proportional to 4,875.56, 6,728.58 and 2,779.72

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Solution

The fourth proportional to 4,875.56, 6,728.58 and 2,779.72 is: 3,836.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.56 : 6,728.58 = 2,779.72 : x
  2. Step 2: Convert to fraction form
    4,875.56/6,728.58 = 2,779.72/x
  3. Step 3: Cross multiply
    4,875.56x = 6,728.58 × 2,779.72
  4. Step 4: Simplify right side
    4,875.56x = 18,703,568.40
  5. Step 5: Solve for x
    x = 18,703,568.40/4,875.56
  6. Step 6: Final answer
    x = 3,836.19

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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.