Home / 8,837.53-12,199.47-6,320.65

Finding the Fourth Proportional to 8,837.53, 12,199.47 and 6,320.65

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Solution

The fourth proportional to 8,837.53, 12,199.47 and 6,320.65 is: 8,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.53 : 12,199.47 = 6,320.65 : x
  2. Step 2: Convert to fraction form
    8,837.53/12,199.47 = 6,320.65/x
  3. Step 3: Cross multiply
    8,837.53x = 12,199.47 × 6,320.65
  4. Step 4: Simplify right side
    8,837.53x = 77,108,580.06
  5. Step 5: Solve for x
    x = 77,108,580.06/8,837.53
  6. Step 6: Final answer
    x = 8,725.13

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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.