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Finding the Fourth Proportional to 6,453.83, 8,848.29 and 6,337.19

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Solution

The fourth proportional to 6,453.83, 8,848.29 and 6,337.19 is: 8,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,453.83 : 8,848.29 = 6,337.19 : x
  2. Step 2: Convert to fraction form
    6,453.83/8,848.29 = 6,337.19/x
  3. Step 3: Cross multiply
    6,453.83x = 8,848.29 × 6,337.19
  4. Step 4: Simplify right side
    6,453.83x = 56,073,263.22
  5. Step 5: Solve for x
    x = 56,073,263.22/6,453.83
  6. Step 6: Final answer
    x = 8,688.37

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Double scale
Find fourth proportional to 6,454.83, 8,849.66 and 6,338.19
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.