Home / 6,581.40-9,077.88-4,226.40

Finding the Fourth Proportional to 6,581.40, 9,077.88 and 4,226.40

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Solution

The fourth proportional to 6,581.40, 9,077.88 and 4,226.40 is: 5,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.40 : 9,077.88 = 4,226.40 : x
  2. Step 2: Convert to fraction form
    6,581.40/9,077.88 = 4,226.40/x
  3. Step 3: Cross multiply
    6,581.40x = 9,077.88 × 4,226.40
  4. Step 4: Simplify right side
    6,581.40x = 38,366,752.03
  5. Step 5: Solve for x
    x = 38,366,752.03/6,581.40
  6. Step 6: Final answer
    x = 5,829.57

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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.