Home / 4,087.65-6,132.03-1,313.40

Finding the Fourth Proportional to 4,087.65, 6,132.03 and 1,313.40

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Solution

The fourth proportional to 4,087.65, 6,132.03 and 1,313.40 is: 1,970.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.65 : 6,132.03 = 1,313.40 : x
  2. Step 2: Convert to fraction form
    4,087.65/6,132.03 = 1,313.40/x
  3. Step 3: Cross multiply
    4,087.65x = 6,132.03 × 1,313.40
  4. Step 4: Simplify right side
    4,087.65x = 8,053,808.20
  5. Step 5: Solve for x
    x = 8,053,808.20/4,087.65
  6. Step 6: Final answer
    x = 1,970.28

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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.