Home / 5,289.06-7,298.64-2,931.18

Finding the Fourth Proportional to 5,289.06, 7,298.64 and 2,931.18

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Solution

The fourth proportional to 5,289.06, 7,298.64 and 2,931.18 is: 4,044.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.06 : 7,298.64 = 2,931.18 : x
  2. Step 2: Convert to fraction form
    5,289.06/7,298.64 = 2,931.18/x
  3. Step 3: Cross multiply
    5,289.06x = 7,298.64 × 2,931.18
  4. Step 4: Simplify right side
    5,289.06x = 21,393,627.60
  5. Step 5: Solve for x
    x = 21,393,627.60/5,289.06
  6. Step 6: Final answer
    x = 4,044.88

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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.