Home / 8,735.28-12,043.96-6,830.16

Finding the Fourth Proportional to 8,735.28, 12,043.96 and 6,830.16

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Solution

The fourth proportional to 8,735.28, 12,043.96 and 6,830.16 is: 9,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.28 : 12,043.96 = 6,830.16 : x
  2. Step 2: Convert to fraction form
    8,735.28/12,043.96 = 6,830.16/x
  3. Step 3: Cross multiply
    8,735.28x = 12,043.96 × 6,830.16
  4. Step 4: Simplify right side
    8,735.28x = 82,262,173.83
  5. Step 5: Solve for x
    x = 82,262,173.83/8,735.28
  6. Step 6: Final answer
    x = 9,417.23

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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.