Home / 8,558.47-11,810.78-5,021.74

Finding the Fourth Proportional to 8,558.47, 11,810.78 and 5,021.74

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Solution

The fourth proportional to 8,558.47, 11,810.78 and 5,021.74 is: 6,930.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.47 : 11,810.78 = 5,021.74 : x
  2. Step 2: Convert to fraction form
    8,558.47/11,810.78 = 5,021.74/x
  3. Step 3: Cross multiply
    8,558.47x = 11,810.78 × 5,021.74
  4. Step 4: Simplify right side
    8,558.47x = 59,310,666.36
  5. Step 5: Solve for x
    x = 59,310,666.36/8,558.47
  6. Step 6: Final answer
    x = 6,930.05

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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.