Home / 8,389.79-11,582.24-6,598.38

Finding the Fourth Proportional to 8,389.79, 11,582.24 and 6,598.38

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Solution

The fourth proportional to 8,389.79, 11,582.24 and 6,598.38 is: 9,109.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,389.79 : 11,582.24 = 6,598.38 : x
  2. Step 2: Convert to fraction form
    8,389.79/11,582.24 = 6,598.38/x
  3. Step 3: Cross multiply
    8,389.79x = 11,582.24 × 6,598.38
  4. Step 4: Simplify right side
    8,389.79x = 76,423,987.78
  5. Step 5: Solve for x
    x = 76,423,987.78/8,389.79
  6. Step 6: Final answer
    x = 9,109.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.