Home / 7,703.20-11,547.87-2,771.68

Finding the Fourth Proportional to 7,703.20, 11,547.87 and 2,771.68

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Solution

The fourth proportional to 7,703.20, 11,547.87 and 2,771.68 is: 4,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,703.20 : 11,547.87 = 2,771.68 : x
  2. Step 2: Convert to fraction form
    7,703.20/11,547.87 = 2,771.68/x
  3. Step 3: Cross multiply
    7,703.20x = 11,547.87 × 2,771.68
  4. Step 4: Simplify right side
    7,703.20x = 32,007,000.32
  5. Step 5: Solve for x
    x = 32,007,000.32/7,703.20
  6. Step 6: Final answer
    x = 4,155.03

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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.