Home / 5,289.98-7,299.56-2,931.52

Finding the Fourth Proportional to 5,289.98, 7,299.56 and 2,931.52

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Solution

The fourth proportional to 5,289.98, 7,299.56 and 2,931.52 is: 4,045.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.98 : 7,299.56 = 2,931.52 : x
  2. Step 2: Convert to fraction form
    5,289.98/7,299.56 = 2,931.52/x
  3. Step 3: Cross multiply
    5,289.98x = 7,299.56 × 2,931.52
  4. Step 4: Simplify right side
    5,289.98x = 21,398,806.13
  5. Step 5: Solve for x
    x = 21,398,806.13/5,289.98
  6. Step 6: Final answer
    x = 4,045.16

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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.