Home / 5,289.06-7,299-2,931.15

Finding the Fourth Proportional to 5,289.06, 7,299 and 2,931.15

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Solution

The fourth proportional to 5,289.06, 7,299 and 2,931.15 is: 4,045.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.06 : 7,299 = 2,931.15 : x
  2. Step 2: Convert to fraction form
    5,289.06/7,299 = 2,931.15/x
  3. Step 3: Cross multiply
    5,289.06x = 7,299 × 2,931.15
  4. Step 4: Simplify right side
    5,289.06x = 21,394,463.85
  5. Step 5: Solve for x
    x = 21,394,463.85/5,289.06
  6. Step 6: Final answer
    x = 4,045.04

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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.