Home / 6,267.69-8,647.38-3,715.65

Finding the Fourth Proportional to 6,267.69, 8,647.38 and 3,715.65

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Solution

The fourth proportional to 6,267.69, 8,647.38 and 3,715.65 is: 5,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,267.69 : 8,647.38 = 3,715.65 : x
  2. Step 2: Convert to fraction form
    6,267.69/8,647.38 = 3,715.65/x
  3. Step 3: Cross multiply
    6,267.69x = 8,647.38 × 3,715.65
  4. Step 4: Simplify right side
    6,267.69x = 32,130,637.50
  5. Step 5: Solve for x
    x = 32,130,637.50/6,267.69
  6. Step 6: Final answer
    x = 5,126.39

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Half scale
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Double scale
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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.