Home / 8,896.15-13,339.70-2,970.91

Finding the Fourth Proportional to 8,896.15, 13,339.70 and 2,970.91

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Solution

The fourth proportional to 8,896.15, 13,339.70 and 2,970.91 is: 4,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.15 : 13,339.70 = 2,970.91 : x
  2. Step 2: Convert to fraction form
    8,896.15/13,339.70 = 2,970.91/x
  3. Step 3: Cross multiply
    8,896.15x = 13,339.70 × 2,970.91
  4. Step 4: Simplify right side
    8,896.15x = 39,630,999.92
  5. Step 5: Solve for x
    x = 39,630,999.92/8,896.15
  6. Step 6: Final answer
    x = 4,454.85

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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.