Home / 7,587.41-11,386.44-3,145.15

Finding the Fourth Proportional to 7,587.41, 11,386.44 and 3,145.15

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Solution

The fourth proportional to 7,587.41, 11,386.44 and 3,145.15 is: 4,719.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.41 : 11,386.44 = 3,145.15 : x
  2. Step 2: Convert to fraction form
    7,587.41/11,386.44 = 3,145.15/x
  3. Step 3: Cross multiply
    7,587.41x = 11,386.44 × 3,145.15
  4. Step 4: Simplify right side
    7,587.41x = 35,812,033.30
  5. Step 5: Solve for x
    x = 35,812,033.30/7,587.41
  6. Step 6: Final answer
    x = 4,719.93

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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.