Home / 8,113.34-11,179.79-5,985.50

Finding the Fourth Proportional to 8,113.34, 11,179.79 and 5,985.50

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Solution

The fourth proportional to 8,113.34, 11,179.79 and 5,985.50 is: 8,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.34 : 11,179.79 = 5,985.50 : x
  2. Step 2: Convert to fraction form
    8,113.34/11,179.79 = 5,985.50/x
  3. Step 3: Cross multiply
    8,113.34x = 11,179.79 × 5,985.50
  4. Step 4: Simplify right side
    8,113.34x = 66,916,547.22
  5. Step 5: Solve for x
    x = 66,916,547.22/8,113.34
  6. Step 6: Final answer
    x = 8,247.72

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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.