Home / 6,872.24-9,476.52-4,077.20

Finding the Fourth Proportional to 6,872.24, 9,476.52 and 4,077.20

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Solution

The fourth proportional to 6,872.24, 9,476.52 and 4,077.20 is: 5,622.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.24 : 9,476.52 = 4,077.20 : x
  2. Step 2: Convert to fraction form
    6,872.24/9,476.52 = 4,077.20/x
  3. Step 3: Cross multiply
    6,872.24x = 9,476.52 × 4,077.20
  4. Step 4: Simplify right side
    6,872.24x = 38,637,667.34
  5. Step 5: Solve for x
    x = 38,637,667.34/6,872.24
  6. Step 6: Final answer
    x = 5,622.28

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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.