Home / 4,878.48-7,285.20-4,727.88

Finding the Fourth Proportional to 4,878.48, 7,285.20 and 4,727.88

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Solution

The fourth proportional to 4,878.48, 7,285.20 and 4,727.88 is: 7,060.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.48 : 7,285.20 = 4,727.88 : x
  2. Step 2: Convert to fraction form
    4,878.48/7,285.20 = 4,727.88/x
  3. Step 3: Cross multiply
    4,878.48x = 7,285.20 × 4,727.88
  4. Step 4: Simplify right side
    4,878.48x = 34,443,551.38
  5. Step 5: Solve for x
    x = 34,443,551.38/4,878.48
  6. Step 6: Final answer
    x = 7,060.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.