Home / 8,688.78-11,980.44-6,095.16

Finding the Fourth Proportional to 8,688.78, 11,980.44 and 6,095.16

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Solution

The fourth proportional to 8,688.78, 11,980.44 and 6,095.16 is: 8,404.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.78 : 11,980.44 = 6,095.16 : x
  2. Step 2: Convert to fraction form
    8,688.78/11,980.44 = 6,095.16/x
  3. Step 3: Cross multiply
    8,688.78x = 11,980.44 × 6,095.16
  4. Step 4: Simplify right side
    8,688.78x = 73,022,698.67
  5. Step 5: Solve for x
    x = 73,022,698.67/8,688.78
  6. Step 6: Final answer
    x = 8,404.25

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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.