Home / 5,453.72-7,526.08-3,215.70

Finding the Fourth Proportional to 5,453.72, 7,526.08 and 3,215.70

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Solution

The fourth proportional to 5,453.72, 7,526.08 and 3,215.70 is: 4,437.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,453.72 : 7,526.08 = 3,215.70 : x
  2. Step 2: Convert to fraction form
    5,453.72/7,526.08 = 3,215.70/x
  3. Step 3: Cross multiply
    5,453.72x = 7,526.08 × 3,215.70
  4. Step 4: Simplify right side
    5,453.72x = 24,201,615.46
  5. Step 5: Solve for x
    x = 24,201,615.46/5,453.72
  6. Step 6: Final answer
    x = 4,437.63

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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.