Home / 6,077.40-8,386.81-3,282.90

Finding the Fourth Proportional to 6,077.40, 8,386.81 and 3,282.90

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Solution

The fourth proportional to 6,077.40, 8,386.81 and 3,282.90 is: 4,530.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,077.40 : 8,386.81 = 3,282.90 : x
  2. Step 2: Convert to fraction form
    6,077.40/8,386.81 = 3,282.90/x
  3. Step 3: Cross multiply
    6,077.40x = 8,386.81 × 3,282.90
  4. Step 4: Simplify right side
    6,077.40x = 27,533,058.55
  5. Step 5: Solve for x
    x = 27,533,058.55/6,077.40
  6. Step 6: Final answer
    x = 4,530.40

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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.