Home / 8,557.52-11,810.16-6,767.40

Finding the Fourth Proportional to 8,557.52, 11,810.16 and 6,767.40

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Solution

The fourth proportional to 8,557.52, 11,810.16 and 6,767.40 is: 9,339.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.52 : 11,810.16 = 6,767.40 : x
  2. Step 2: Convert to fraction form
    8,557.52/11,810.16 = 6,767.40/x
  3. Step 3: Cross multiply
    8,557.52x = 11,810.16 × 6,767.40
  4. Step 4: Simplify right side
    8,557.52x = 79,924,076.78
  5. Step 5: Solve for x
    x = 79,924,076.78/8,557.52
  6. Step 6: Final answer
    x = 9,339.63

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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.