Home / 5,427.16-8,121.30-4,699.24

Finding the Fourth Proportional to 5,427.16, 8,121.30 and 4,699.24

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Solution

The fourth proportional to 5,427.16, 8,121.30 and 4,699.24 is: 7,032.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.16 : 8,121.30 = 4,699.24 : x
  2. Step 2: Convert to fraction form
    5,427.16/8,121.30 = 4,699.24/x
  3. Step 3: Cross multiply
    5,427.16x = 8,121.30 × 4,699.24
  4. Step 4: Simplify right side
    5,427.16x = 38,163,937.81
  5. Step 5: Solve for x
    x = 38,163,937.81/5,427.16
  6. Step 6: Final answer
    x = 7,032.03

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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.