Home / 5,419.01-8,130.32-3,663.93

Finding the Fourth Proportional to 5,419.01, 8,130.32 and 3,663.93

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Solution

The fourth proportional to 5,419.01, 8,130.32 and 3,663.93 is: 5,497.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.01 : 8,130.32 = 3,663.93 : x
  2. Step 2: Convert to fraction form
    5,419.01/8,130.32 = 3,663.93/x
  3. Step 3: Cross multiply
    5,419.01x = 8,130.32 × 3,663.93
  4. Step 4: Simplify right side
    5,419.01x = 29,788,905.04
  5. Step 5: Solve for x
    x = 29,788,905.04/5,419.01
  6. Step 6: Final answer
    x = 5,497.12

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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.