Home / 4,317.60-6,476.88-1,853.28

Finding the Fourth Proportional to 4,317.60, 6,476.88 and 1,853.28

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Solution

The fourth proportional to 4,317.60, 6,476.88 and 1,853.28 is: 2,780.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,317.60 : 6,476.88 = 1,853.28 : x
  2. Step 2: Convert to fraction form
    4,317.60/6,476.88 = 1,853.28/x
  3. Step 3: Cross multiply
    4,317.60x = 6,476.88 × 1,853.28
  4. Step 4: Simplify right side
    4,317.60x = 12,003,472.17
  5. Step 5: Solve for x
    x = 12,003,472.17/4,317.60
  6. Step 6: Final answer
    x = 2,780.13

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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.