Home / 4,277.10-6,415.58-1,355.40

Finding the Fourth Proportional to 4,277.10, 6,415.58 and 1,355.40

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Solution

The fourth proportional to 4,277.10, 6,415.58 and 1,355.40 is: 2,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.10 : 6,415.58 = 1,355.40 : x
  2. Step 2: Convert to fraction form
    4,277.10/6,415.58 = 1,355.40/x
  3. Step 3: Cross multiply
    4,277.10x = 6,415.58 × 1,355.40
  4. Step 4: Simplify right side
    4,277.10x = 8,695,677.13
  5. Step 5: Solve for x
    x = 8,695,677.13/4,277.10
  6. Step 6: Final answer
    x = 2,033.08

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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.