Home / 5,315.34-7,335.09-3,077.04

Finding the Fourth Proportional to 5,315.34, 7,335.09 and 3,077.04

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Solution

The fourth proportional to 5,315.34, 7,335.09 and 3,077.04 is: 4,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315.34 : 7,335.09 = 3,077.04 : x
  2. Step 2: Convert to fraction form
    5,315.34/7,335.09 = 3,077.04/x
  3. Step 3: Cross multiply
    5,315.34x = 7,335.09 × 3,077.04
  4. Step 4: Simplify right side
    5,315.34x = 22,570,365.33
  5. Step 5: Solve for x
    x = 22,570,365.33/5,315.34
  6. Step 6: Final answer
    x = 4,246.27

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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.