Home / 5,360.81-8,041.95-1,663.34

Finding the Fourth Proportional to 5,360.81, 8,041.95 and 1,663.34

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Solution

The fourth proportional to 5,360.81, 8,041.95 and 1,663.34 is: 2,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.81 : 8,041.95 = 1,663.34 : x
  2. Step 2: Convert to fraction form
    5,360.81/8,041.95 = 1,663.34/x
  3. Step 3: Cross multiply
    5,360.81x = 8,041.95 × 1,663.34
  4. Step 4: Simplify right side
    5,360.81x = 13,376,456.90
  5. Step 5: Solve for x
    x = 13,376,456.90/5,360.81
  6. Step 6: Final answer
    x = 2,495.23

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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.