Home / 8,695.52-13,045.72-2,856.23

Finding the Fourth Proportional to 8,695.52, 13,045.72 and 2,856.23

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Solution

The fourth proportional to 8,695.52, 13,045.72 and 2,856.23 is: 4,285.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.52 : 13,045.72 = 2,856.23 : x
  2. Step 2: Convert to fraction form
    8,695.52/13,045.72 = 2,856.23/x
  3. Step 3: Cross multiply
    8,695.52x = 13,045.72 × 2,856.23
  4. Step 4: Simplify right side
    8,695.52x = 37,261,576.84
  5. Step 5: Solve for x
    x = 37,261,576.84/8,695.52
  6. Step 6: Final answer
    x = 4,285.15

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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.