Home / 7,864.65-11,794.49-2,598.69

Finding the Fourth Proportional to 7,864.65, 11,794.49 and 2,598.69

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Solution

The fourth proportional to 7,864.65, 11,794.49 and 2,598.69 is: 3,897.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,864.65 : 11,794.49 = 2,598.69 : x
  2. Step 2: Convert to fraction form
    7,864.65/11,794.49 = 2,598.69/x
  3. Step 3: Cross multiply
    7,864.65x = 11,794.49 × 2,598.69
  4. Step 4: Simplify right side
    7,864.65x = 30,650,210.22
  5. Step 5: Solve for x
    x = 30,650,210.22/7,864.65
  6. Step 6: Final answer
    x = 3,897.21

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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.