Home / 6,638.36-9,112.10-5,875.74

Finding the Fourth Proportional to 6,638.36, 9,112.10 and 5,875.74

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Solution

The fourth proportional to 6,638.36, 9,112.10 and 5,875.74 is: 8,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.36 : 9,112.10 = 5,875.74 : x
  2. Step 2: Convert to fraction form
    6,638.36/9,112.10 = 5,875.74/x
  3. Step 3: Cross multiply
    6,638.36x = 9,112.10 × 5,875.74
  4. Step 4: Simplify right side
    6,638.36x = 53,540,301.08
  5. Step 5: Solve for x
    x = 53,540,301.08/6,638.36
  6. Step 6: Final answer
    x = 8,065.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.