Home / 6,248.40-8,622.56-4,156.32

Finding the Fourth Proportional to 6,248.40, 8,622.56 and 4,156.32

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Solution

The fourth proportional to 6,248.40, 8,622.56 and 4,156.32 is: 5,735.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.40 : 8,622.56 = 4,156.32 : x
  2. Step 2: Convert to fraction form
    6,248.40/8,622.56 = 4,156.32/x
  3. Step 3: Cross multiply
    6,248.40x = 8,622.56 × 4,156.32
  4. Step 4: Simplify right side
    6,248.40x = 35,838,118.58
  5. Step 5: Solve for x
    x = 35,838,118.58/6,248.40
  6. Step 6: Final answer
    x = 5,735.57

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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.