Home / 4,875.69-6,728.04-2,885.90

Finding the Fourth Proportional to 4,875.69, 6,728.04 and 2,885.90

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Solution

The fourth proportional to 4,875.69, 6,728.04 and 2,885.90 is: 3,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.69 : 6,728.04 = 2,885.90 : x
  2. Step 2: Convert to fraction form
    4,875.69/6,728.04 = 2,885.90/x
  3. Step 3: Cross multiply
    4,875.69x = 6,728.04 × 2,885.90
  4. Step 4: Simplify right side
    4,875.69x = 19,416,417.00
  5. Step 5: Solve for x
    x = 19,416,417.00/4,875.69
  6. Step 6: Final answer
    x = 3,982.29

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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.