Home / 7,029.40-10,548.90-3,136.60

Finding the Fourth Proportional to 7,029.40, 10,548.90 and 3,136.60

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Solution

The fourth proportional to 7,029.40, 10,548.90 and 3,136.60 is: 4,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.40 : 10,548.90 = 3,136.60 : x
  2. Step 2: Convert to fraction form
    7,029.40/10,548.90 = 3,136.60/x
  3. Step 3: Cross multiply
    7,029.40x = 10,548.90 × 3,136.60
  4. Step 4: Simplify right side
    7,029.40x = 33,087,679.74
  5. Step 5: Solve for x
    x = 33,087,679.74/7,029.40
  6. Step 6: Final answer
    x = 4,707.04

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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.