Home / 8,419.02-11,614.48-5,433.76

Finding the Fourth Proportional to 8,419.02, 11,614.48 and 5,433.76

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Solution

The fourth proportional to 8,419.02, 11,614.48 and 5,433.76 is: 7,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,419.02 : 11,614.48 = 5,433.76 : x
  2. Step 2: Convert to fraction form
    8,419.02/11,614.48 = 5,433.76/x
  3. Step 3: Cross multiply
    8,419.02x = 11,614.48 × 5,433.76
  4. Step 4: Simplify right side
    8,419.02x = 63,110,296.84
  5. Step 5: Solve for x
    x = 63,110,296.84/8,419.02
  6. Step 6: Final answer
    x = 7,496.16

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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.