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Finding the Fourth Proportional to 7,795.98, 10,758.43 and 4,259.19

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Solution

The fourth proportional to 7,795.98, 10,758.43 and 4,259.19 is: 5,877.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,795.98 : 10,758.43 = 4,259.19 : x
  2. Step 2: Convert to fraction form
    7,795.98/10,758.43 = 4,259.19/x
  3. Step 3: Cross multiply
    7,795.98x = 10,758.43 × 4,259.19
  4. Step 4: Simplify right side
    7,795.98x = 45,822,197.47
  5. Step 5: Solve for x
    x = 45,822,197.47/7,795.98
  6. Step 6: Final answer
    x = 5,877.67

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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.