Home / 8,640.19-12,957.58-2,795.59

Finding the Fourth Proportional to 8,640.19, 12,957.58 and 2,795.59

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Solution

The fourth proportional to 8,640.19, 12,957.58 and 2,795.59 is: 4,192.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.19 : 12,957.58 = 2,795.59 : x
  2. Step 2: Convert to fraction form
    8,640.19/12,957.58 = 2,795.59/x
  3. Step 3: Cross multiply
    8,640.19x = 12,957.58 × 2,795.59
  4. Step 4: Simplify right side
    8,640.19x = 36,224,081.07
  5. Step 5: Solve for x
    x = 36,224,081.07/8,640.19
  6. Step 6: Final answer
    x = 4,192.51

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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.