Home / 4,078.29-6,117.50-1,156.60

Finding the Fourth Proportional to 4,078.29, 6,117.50 and 1,156.60

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Solution

The fourth proportional to 4,078.29, 6,117.50 and 1,156.60 is: 1,734.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.29 : 6,117.50 = 1,156.60 : x
  2. Step 2: Convert to fraction form
    4,078.29/6,117.50 = 1,156.60/x
  3. Step 3: Cross multiply
    4,078.29x = 6,117.50 × 1,156.60
  4. Step 4: Simplify right side
    4,078.29x = 7,075,511.04
  5. Step 5: Solve for x
    x = 7,075,511.04/4,078.29
  6. Step 6: Final answer
    x = 1,734.92

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1.5x scale

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.