Home / 8,699.10-12,004.44-4,720.14

Finding the Fourth Proportional to 8,699.10, 12,004.44 and 4,720.14

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Solution

The fourth proportional to 8,699.10, 12,004.44 and 4,720.14 is: 6,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699.10 : 12,004.44 = 4,720.14 : x
  2. Step 2: Convert to fraction form
    8,699.10/12,004.44 = 4,720.14/x
  3. Step 3: Cross multiply
    8,699.10x = 12,004.44 × 4,720.14
  4. Step 4: Simplify right side
    8,699.10x = 56,662,637.42
  5. Step 5: Solve for x
    x = 56,662,637.42/8,699.10
  6. Step 6: Final answer
    x = 6,513.62

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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.