Home / 7,130.32-10,694.36-4,525.20

Finding the Fourth Proportional to 7,130.32, 10,694.36 and 4,525.20

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Solution

The fourth proportional to 7,130.32, 10,694.36 and 4,525.20 is: 6,787.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.32 : 10,694.36 = 4,525.20 : x
  2. Step 2: Convert to fraction form
    7,130.32/10,694.36 = 4,525.20/x
  3. Step 3: Cross multiply
    7,130.32x = 10,694.36 × 4,525.20
  4. Step 4: Simplify right side
    7,130.32x = 48,394,117.87
  5. Step 5: Solve for x
    x = 48,394,117.87/7,130.32
  6. Step 6: Final answer
    x = 6,787.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.