Home / 8,038.68-11,083.14-6,617.40

Finding the Fourth Proportional to 8,038.68, 11,083.14 and 6,617.40

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Solution

The fourth proportional to 8,038.68, 11,083.14 and 6,617.40 is: 9,123.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.68 : 11,083.14 = 6,617.40 : x
  2. Step 2: Convert to fraction form
    8,038.68/11,083.14 = 6,617.40/x
  3. Step 3: Cross multiply
    8,038.68x = 11,083.14 × 6,617.40
  4. Step 4: Simplify right side
    8,038.68x = 73,341,570.64
  5. Step 5: Solve for x
    x = 73,341,570.64/8,038.68
  6. Step 6: Final answer
    x = 9,123.58

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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.