Home / 5,289.07-7,298.42-2,931.16

Finding the Fourth Proportional to 5,289.07, 7,298.42 and 2,931.16

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Solution

The fourth proportional to 5,289.07, 7,298.42 and 2,931.16 is: 4,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.07 : 7,298.42 = 2,931.16 : x
  2. Step 2: Convert to fraction form
    5,289.07/7,298.42 = 2,931.16/x
  3. Step 3: Cross multiply
    5,289.07x = 7,298.42 × 2,931.16
  4. Step 4: Simplify right side
    5,289.07x = 21,392,803.87
  5. Step 5: Solve for x
    x = 21,392,803.87/5,289.07
  6. Step 6: Final answer
    x = 4,044.72

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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.