Home / 8,155.08-11,254.27-4,618.21

Finding the Fourth Proportional to 8,155.08, 11,254.27 and 4,618.21

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Solution

The fourth proportional to 8,155.08, 11,254.27 and 4,618.21 is: 6,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155.08 : 11,254.27 = 4,618.21 : x
  2. Step 2: Convert to fraction form
    8,155.08/11,254.27 = 4,618.21/x
  3. Step 3: Cross multiply
    8,155.08x = 11,254.27 × 4,618.21
  4. Step 4: Simplify right side
    8,155.08x = 51,974,559.17
  5. Step 5: Solve for x
    x = 51,974,559.17/8,155.08
  6. Step 6: Final answer
    x = 6,373.28

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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.