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Finding the Fourth Proportional to 5,303.03, 7,318.05 and 3,064.86

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Solution

The fourth proportional to 5,303.03, 7,318.05 and 3,064.86 is: 4,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.03 : 7,318.05 = 3,064.86 : x
  2. Step 2: Convert to fraction form
    5,303.03/7,318.05 = 3,064.86/x
  3. Step 3: Cross multiply
    5,303.03x = 7,318.05 × 3,064.86
  4. Step 4: Simplify right side
    5,303.03x = 22,428,798.72
  5. Step 5: Solve for x
    x = 22,428,798.72/5,303.03
  6. Step 6: Final answer
    x = 4,229.43

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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.