Home / 5,333.16-7,980.30-3,142.92

Finding the Fourth Proportional to 5,333.16, 7,980.30 and 3,142.92

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Solution

The fourth proportional to 5,333.16, 7,980.30 and 3,142.92 is: 4,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,333.16 : 7,980.30 = 3,142.92 : x
  2. Step 2: Convert to fraction form
    5,333.16/7,980.30 = 3,142.92/x
  3. Step 3: Cross multiply
    5,333.16x = 7,980.30 × 3,142.92
  4. Step 4: Simplify right side
    5,333.16x = 25,081,444.48
  5. Step 5: Solve for x
    x = 25,081,444.48/5,333.16
  6. Step 6: Final answer
    x = 4,702.92

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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.