Home / 7,176.35-10,785.25-6,678.05

Finding the Fourth Proportional to 7,176.35, 10,785.25 and 6,678.05

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Solution

The fourth proportional to 7,176.35, 10,785.25 and 6,678.05 is: 10,036.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.35 : 10,785.25 = 6,678.05 : x
  2. Step 2: Convert to fraction form
    7,176.35/10,785.25 = 6,678.05/x
  3. Step 3: Cross multiply
    7,176.35x = 10,785.25 × 6,678.05
  4. Step 4: Simplify right side
    7,176.35x = 72,024,393.18
  5. Step 5: Solve for x
    x = 72,024,393.18/7,176.35
  6. Step 6: Final answer
    x = 10,036.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.