Home / 4,555.12-6,285.72-2,565.28

Finding the Fourth Proportional to 4,555.12, 6,285.72 and 2,565.28

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Solution

The fourth proportional to 4,555.12, 6,285.72 and 2,565.28 is: 3,539.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,555.12 : 6,285.72 = 2,565.28 : x
  2. Step 2: Convert to fraction form
    4,555.12/6,285.72 = 2,565.28/x
  3. Step 3: Cross multiply
    4,555.12x = 6,285.72 × 2,565.28
  4. Step 4: Simplify right side
    4,555.12x = 16,124,631.80
  5. Step 5: Solve for x
    x = 16,124,631.80/4,555.12
  6. Step 6: Final answer
    x = 3,539.89

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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.