Home / 4,864.72-6,715.60-3,670.20

Finding the Fourth Proportional to 4,864.72, 6,715.60 and 3,670.20

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Solution

The fourth proportional to 4,864.72, 6,715.60 and 3,670.20 is: 5,066.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,864.72 : 6,715.60 = 3,670.20 : x
  2. Step 2: Convert to fraction form
    4,864.72/6,715.60 = 3,670.20/x
  3. Step 3: Cross multiply
    4,864.72x = 6,715.60 × 3,670.20
  4. Step 4: Simplify right side
    4,864.72x = 24,647,595.12
  5. Step 5: Solve for x
    x = 24,647,595.12/4,864.72
  6. Step 6: Final answer
    x = 5,066.60

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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.