Home / 4,815.15-6,641.36-3,045.05

Finding the Fourth Proportional to 4,815.15, 6,641.36 and 3,045.05

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Solution

The fourth proportional to 4,815.15, 6,641.36 and 3,045.05 is: 4,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.15 : 6,641.36 = 3,045.05 : x
  2. Step 2: Convert to fraction form
    4,815.15/6,641.36 = 3,045.05/x
  3. Step 3: Cross multiply
    4,815.15x = 6,641.36 × 3,045.05
  4. Step 4: Simplify right side
    4,815.15x = 20,223,224.84
  5. Step 5: Solve for x
    x = 20,223,224.84/4,815.15
  6. Step 6: Final answer
    x = 4,199.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.