Home / 5,643.60-8,466.38-2,359

Finding the Fourth Proportional to 5,643.60, 8,466.38 and 2,359

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Solution

The fourth proportional to 5,643.60, 8,466.38 and 2,359 is: 3,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,643.60 : 8,466.38 = 2,359 : x
  2. Step 2: Convert to fraction form
    5,643.60/8,466.38 = 2,359/x
  3. Step 3: Cross multiply
    5,643.60x = 8,466.38 × 2,359
  4. Step 4: Simplify right side
    5,643.60x = 19,972,190.42
  5. Step 5: Solve for x
    x = 19,972,190.42/5,643.60
  6. Step 6: Final answer
    x = 3,538.91

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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.