Home / 7,430.24-11,147.30-3,271.07

Finding the Fourth Proportional to 7,430.24, 11,147.30 and 3,271.07

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Solution

The fourth proportional to 7,430.24, 11,147.30 and 3,271.07 is: 4,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.24 : 11,147.30 = 3,271.07 : x
  2. Step 2: Convert to fraction form
    7,430.24/11,147.30 = 3,271.07/x
  3. Step 3: Cross multiply
    7,430.24x = 11,147.30 × 3,271.07
  4. Step 4: Simplify right side
    7,430.24x = 36,463,598.61
  5. Step 5: Solve for x
    x = 36,463,598.61/7,430.24
  6. Step 6: Final answer
    x = 4,907.46

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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.