Home / 7,507.40-11,271.90-5,325.80

Finding the Fourth Proportional to 7,507.40, 11,271.90 and 5,325.80

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Solution

The fourth proportional to 7,507.40, 11,271.90 and 5,325.80 is: 7,996.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.40 : 11,271.90 = 5,325.80 : x
  2. Step 2: Convert to fraction form
    7,507.40/11,271.90 = 5,325.80/x
  3. Step 3: Cross multiply
    7,507.40x = 11,271.90 × 5,325.80
  4. Step 4: Simplify right side
    7,507.40x = 60,031,885.02
  5. Step 5: Solve for x
    x = 60,031,885.02/7,507.40
  6. Step 6: Final answer
    x = 7,996.36

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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.