Home / 4,875.36-6,728.08-2,779.52

Finding the Fourth Proportional to 4,875.36, 6,728.08 and 2,779.52

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Solution

The fourth proportional to 4,875.36, 6,728.08 and 2,779.52 is: 3,835.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.36 : 6,728.08 = 2,779.52 : x
  2. Step 2: Convert to fraction form
    4,875.36/6,728.08 = 2,779.52/x
  3. Step 3: Cross multiply
    4,875.36x = 6,728.08 × 2,779.52
  4. Step 4: Simplify right side
    4,875.36x = 18,700,832.92
  5. Step 5: Solve for x
    x = 18,700,832.92/4,875.36
  6. Step 6: Final answer
    x = 3,835.79

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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.