Home / 4,585.44-6,875.33-3,120.15

Finding the Fourth Proportional to 4,585.44, 6,875.33 and 3,120.15

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Solution

The fourth proportional to 4,585.44, 6,875.33 and 3,120.15 is: 4,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.44 : 6,875.33 = 3,120.15 : x
  2. Step 2: Convert to fraction form
    4,585.44/6,875.33 = 3,120.15/x
  3. Step 3: Cross multiply
    4,585.44x = 6,875.33 × 3,120.15
  4. Step 4: Simplify right side
    4,585.44x = 21,452,045.30
  5. Step 5: Solve for x
    x = 21,452,045.30/4,585.44
  6. Step 6: Final answer
    x = 4,678.30

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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.