Home / 4,291.36-6,437.12-1,368.96

Finding the Fourth Proportional to 4,291.36, 6,437.12 and 1,368.96

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Solution

The fourth proportional to 4,291.36, 6,437.12 and 1,368.96 is: 2,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.36 : 6,437.12 = 1,368.96 : x
  2. Step 2: Convert to fraction form
    4,291.36/6,437.12 = 1,368.96/x
  3. Step 3: Cross multiply
    4,291.36x = 6,437.12 × 1,368.96
  4. Step 4: Simplify right side
    4,291.36x = 8,812,159.80
  5. Step 5: Solve for x
    x = 8,812,159.80/4,291.36
  6. Step 6: Final answer
    x = 2,053.47

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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.