Home / 8,305.81-11,461.59-4,720.30

Finding the Fourth Proportional to 8,305.81, 11,461.59 and 4,720.30

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Solution

The fourth proportional to 8,305.81, 11,461.59 and 4,720.30 is: 6,513.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305.81 : 11,461.59 = 4,720.30 : x
  2. Step 2: Convert to fraction form
    8,305.81/11,461.59 = 4,720.30/x
  3. Step 3: Cross multiply
    8,305.81x = 11,461.59 × 4,720.30
  4. Step 4: Simplify right side
    8,305.81x = 54,102,114.62
  5. Step 5: Solve for x
    x = 54,102,114.62/8,305.81
  6. Step 6: Final answer
    x = 6,513.77

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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.