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Finding the Fourth Proportional to 6,365.04, 8,788.50 and 5,490.24

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Solution

The fourth proportional to 6,365.04, 8,788.50 and 5,490.24 is: 7,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,365.04 : 8,788.50 = 5,490.24 : x
  2. Step 2: Convert to fraction form
    6,365.04/8,788.50 = 5,490.24/x
  3. Step 3: Cross multiply
    6,365.04x = 8,788.50 × 5,490.24
  4. Step 4: Simplify right side
    6,365.04x = 48,250,974.24
  5. Step 5: Solve for x
    x = 48,250,974.24/6,365.04
  6. Step 6: Final answer
    x = 7,580.62

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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.