Home / 4,339.86-6,509.52-1,872.95

Finding the Fourth Proportional to 4,339.86, 6,509.52 and 1,872.95

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Solution

The fourth proportional to 4,339.86, 6,509.52 and 1,872.95 is: 2,809.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,339.86 : 6,509.52 = 1,872.95 : x
  2. Step 2: Convert to fraction form
    4,339.86/6,509.52 = 1,872.95/x
  3. Step 3: Cross multiply
    4,339.86x = 6,509.52 × 1,872.95
  4. Step 4: Simplify right side
    4,339.86x = 12,191,972.94
  5. Step 5: Solve for x
    x = 12,191,972.94/4,339.86
  6. Step 6: Final answer
    x = 2,809.30

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1.5x scale

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.