Home / 5,303.16-7,318.60-2,945.31

Finding the Fourth Proportional to 5,303.16, 7,318.60 and 2,945.31

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Solution

The fourth proportional to 5,303.16, 7,318.60 and 2,945.31 is: 4,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.16 : 7,318.60 = 2,945.31 : x
  2. Step 2: Convert to fraction form
    5,303.16/7,318.60 = 2,945.31/x
  3. Step 3: Cross multiply
    5,303.16x = 7,318.60 × 2,945.31
  4. Step 4: Simplify right side
    5,303.16x = 21,555,509.17
  5. Step 5: Solve for x
    x = 21,555,509.17/5,303.16
  6. Step 6: Final answer
    x = 4,064.66

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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.