Home / 5,697.45-8,547.08-2,187.32

Finding the Fourth Proportional to 5,697.45, 8,547.08 and 2,187.32

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Solution

The fourth proportional to 5,697.45, 8,547.08 and 2,187.32 is: 3,281.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,697.45 : 8,547.08 = 2,187.32 : x
  2. Step 2: Convert to fraction form
    5,697.45/8,547.08 = 2,187.32/x
  3. Step 3: Cross multiply
    5,697.45x = 8,547.08 × 2,187.32
  4. Step 4: Simplify right side
    5,697.45x = 18,695,145.35
  5. Step 5: Solve for x
    x = 18,695,145.35/5,697.45
  6. Step 6: Final answer
    x = 3,281.32

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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.