Home / 8,070.94-11,112.15-6,887.26

Finding the Fourth Proportional to 8,070.94, 11,112.15 and 6,887.26

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Solution

The fourth proportional to 8,070.94, 11,112.15 and 6,887.26 is: 9,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.94 : 11,112.15 = 6,887.26 : x
  2. Step 2: Convert to fraction form
    8,070.94/11,112.15 = 6,887.26/x
  3. Step 3: Cross multiply
    8,070.94x = 11,112.15 × 6,887.26
  4. Step 4: Simplify right side
    8,070.94x = 76,532,266.21
  5. Step 5: Solve for x
    x = 76,532,266.21/8,070.94
  6. Step 6: Final answer
    x = 9,482.45

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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.