Home / 5,333.30-8,001.15-3,140.90

Finding the Fourth Proportional to 5,333.30, 8,001.15 and 3,140.90

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Solution

The fourth proportional to 5,333.30, 8,001.15 and 3,140.90 is: 4,712.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.30 : 8,001.15 = 3,140.90 : x
  2. Step 2: Convert to fraction form
    5,333.30/8,001.15 = 3,140.90/x
  3. Step 3: Cross multiply
    5,333.30x = 8,001.15 × 3,140.90
  4. Step 4: Simplify right side
    5,333.30x = 25,130,812.04
  5. Step 5: Solve for x
    x = 25,130,812.04/5,333.30
  6. Step 6: Final answer
    x = 4,712.06

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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.