Home / 8,340.06-12,513.59-3,657.65

Finding the Fourth Proportional to 8,340.06, 12,513.59 and 3,657.65

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Solution

The fourth proportional to 8,340.06, 12,513.59 and 3,657.65 is: 5,488.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,340.06 : 12,513.59 = 3,657.65 : x
  2. Step 2: Convert to fraction form
    8,340.06/12,513.59 = 3,657.65/x
  3. Step 3: Cross multiply
    8,340.06x = 12,513.59 × 3,657.65
  4. Step 4: Simplify right side
    8,340.06x = 45,770,332.46
  5. Step 5: Solve for x
    x = 45,770,332.46/8,340.06
  6. Step 6: Final answer
    x = 5,488.01

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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.