Home / 8,070.52-11,138.53-6,365.12

Finding the Fourth Proportional to 8,070.52, 11,138.53 and 6,365.12

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Solution

The fourth proportional to 8,070.52, 11,138.53 and 6,365.12 is: 8,784.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,070.52 : 11,138.53 = 6,365.12 : x
  2. Step 2: Convert to fraction form
    8,070.52/11,138.53 = 6,365.12/x
  3. Step 3: Cross multiply
    8,070.52x = 11,138.53 × 6,365.12
  4. Step 4: Simplify right side
    8,070.52x = 70,898,080.07
  5. Step 5: Solve for x
    x = 70,898,080.07/8,070.52
  6. Step 6: Final answer
    x = 8,784.82

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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.