Home / 5,697.70-8,547.46-2,187.56

Finding the Fourth Proportional to 5,697.70, 8,547.46 and 2,187.56

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Solution

The fourth proportional to 5,697.70, 8,547.46 and 2,187.56 is: 3,281.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.70 : 8,547.46 = 2,187.56 : x
  2. Step 2: Convert to fraction form
    5,697.70/8,547.46 = 2,187.56/x
  3. Step 3: Cross multiply
    5,697.70x = 8,547.46 × 2,187.56
  4. Step 4: Simplify right side
    5,697.70x = 18,698,081.60
  5. Step 5: Solve for x
    x = 18,698,081.60/5,697.70
  6. Step 6: Final answer
    x = 3,281.69

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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.