Home / 4,509.18-6,760.86-1,878.50

Finding the Fourth Proportional to 4,509.18, 6,760.86 and 1,878.50

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Solution

The fourth proportional to 4,509.18, 6,760.86 and 1,878.50 is: 2,816.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,509.18 : 6,760.86 = 1,878.50 : x
  2. Step 2: Convert to fraction form
    4,509.18/6,760.86 = 1,878.50/x
  3. Step 3: Cross multiply
    4,509.18x = 6,760.86 × 1,878.50
  4. Step 4: Simplify right side
    4,509.18x = 12,700,275.51
  5. Step 5: Solve for x
    x = 12,700,275.51/4,509.18
  6. Step 6: Final answer
    x = 2,816.54

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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.