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Finding the Fourth Proportional to 6,368.77, 8,788.33 and 3,715.67

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Solution

The fourth proportional to 6,368.77, 8,788.33 and 3,715.67 is: 5,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.77 : 8,788.33 = 3,715.67 : x
  2. Step 2: Convert to fraction form
    6,368.77/8,788.33 = 3,715.67/x
  3. Step 3: Cross multiply
    6,368.77x = 8,788.33 × 3,715.67
  4. Step 4: Simplify right side
    6,368.77x = 32,654,490.19
  5. Step 5: Solve for x
    x = 32,654,490.19/6,368.77
  6. Step 6: Final answer
    x = 5,127.28

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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.