Home / 7,906.12-10,905.45-5,070.52

Finding the Fourth Proportional to 7,906.12, 10,905.45 and 5,070.52

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Solution

The fourth proportional to 7,906.12, 10,905.45 and 5,070.52 is: 6,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.12 : 10,905.45 = 5,070.52 : x
  2. Step 2: Convert to fraction form
    7,906.12/10,905.45 = 5,070.52/x
  3. Step 3: Cross multiply
    7,906.12x = 10,905.45 × 5,070.52
  4. Step 4: Simplify right side
    7,906.12x = 55,296,247.81
  5. Step 5: Solve for x
    x = 55,296,247.81/7,906.12
  6. Step 6: Final answer
    x = 6,994.11

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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.