Home / 8,070.84-11,133.18-6,580.44

Finding the Fourth Proportional to 8,070.84, 11,133.18 and 6,580.44

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Solution

The fourth proportional to 8,070.84, 11,133.18 and 6,580.44 is: 9,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.84 : 11,133.18 = 6,580.44 : x
  2. Step 2: Convert to fraction form
    8,070.84/11,133.18 = 6,580.44/x
  3. Step 3: Cross multiply
    8,070.84x = 11,133.18 × 6,580.44
  4. Step 4: Simplify right side
    8,070.84x = 73,261,223.00
  5. Step 5: Solve for x
    x = 73,261,223.00/8,070.84
  6. Step 6: Final answer
    x = 9,077.27

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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.