Home / 8,345.23-11,516.12-4,987.27

Finding the Fourth Proportional to 8,345.23, 11,516.12 and 4,987.27

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Solution

The fourth proportional to 8,345.23, 11,516.12 and 4,987.27 is: 6,882.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.23 : 11,516.12 = 4,987.27 : x
  2. Step 2: Convert to fraction form
    8,345.23/11,516.12 = 4,987.27/x
  3. Step 3: Cross multiply
    8,345.23x = 11,516.12 × 4,987.27
  4. Step 4: Simplify right side
    8,345.23x = 57,434,036.01
  5. Step 5: Solve for x
    x = 57,434,036.01/8,345.23
  6. Step 6: Final answer
    x = 6,882.26

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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.