Home / 4,104.95-6,155.49-1,330.08

Finding the Fourth Proportional to 4,104.95, 6,155.49 and 1,330.08

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Solution

The fourth proportional to 4,104.95, 6,155.49 and 1,330.08 is: 1,994.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.95 : 6,155.49 = 1,330.08 : x
  2. Step 2: Convert to fraction form
    4,104.95/6,155.49 = 1,330.08/x
  3. Step 3: Cross multiply
    4,104.95x = 6,155.49 × 1,330.08
  4. Step 4: Simplify right side
    4,104.95x = 8,187,319.32
  5. Step 5: Solve for x
    x = 8,187,319.32/4,104.95
  6. Step 6: Final answer
    x = 1,994.50

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Double scale
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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.